Mathias Lavorel et Julien Tellouck, Comprendre Star Wars quand on n’a toujours pas compris qui est le père de Luke Skywalker (malgré des années de spoil et de cosplay raté), edi8, , 62 p. (ISBN979-10-324-0118-7, présentation en ligne), Le cas étrange de la version française : « Les noms des personnages sont touchés durement par le talent d’Eric [Kahane, traducteur]. R2-D2 devient D2-R2, C-3PO devient Z-6PO, Han Solo se transforme en Yan Solo. »
Lynda Myles et Michael Pye, Les Enfants Terribles Du Cinéma Américain, L'AGE D'HOMME, , 271 p. (ISBN2-8251-3357-4, lire en ligne), « Illustration de la production : Ralph McQuarrie. […] Anthony Daniels (C3PO) »
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Lacking for materials, the original Threepio model did not yet have his iconic golden casing; rather, he appeared "naked" thanks to his servos and motors showing (a fact that R2-D2 was all too willing to point out)."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "As a young slave on Tatooine, Anakin Skywalker used his budding engineering talents to build a droid in order to assist his mother, Shi: C-3PO."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Though Anakin left his faithfull droid behind when he left to become a Jedi, the two would be reunited 10 years later. Unfortunately, it wasn't necessarily a happy reunion as Anakin's mother Shmi had been kidnapped by Tusken Raiders, and would later die from the wounds she sustained during the ordeal."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Naturally, things go a little haywire when Threepio's head winds up on a battle droid's body. Fortunately, R2-D2 was able to set things right before Threepio had a chance to commit any wartime atrocities."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Unfortunately, howaver, the same cannot be said for Chancellor Palpatine, who issued the dastardly order 66, which branded the Jedi and those who helped them enemies of state."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "he witnessed the birth of the Skywalker twins, Luke and Leia. When all was said and done, R2-D2 and he were reassigned to Captain Antilles aboard the Tantive IV. In spite of his valuable service, Threepio had seen too much; Senator Bail Organa ordered C-3PO's mind to be wiped."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "While cleaning the droïds, however, Luke discovered that R2-D2 had the Death Star plans-and a distress signal from Princess Leia-stored within his databanks."
(en) 100 Things Star Wars Fans Should Know & Do Before They Die, Dan Casey, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Although he did not participate in the Battle of Yavin 4, C-3PO volunteered to donate his parts to restore his dear friend R2-D2, who had been gravely damaged during the assault on the Death Star."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "In the wake of the Death Star's destruction, Threepio was relocated to Echo Base, the Rebel Alliance's foward operating base on the ice planet of Hoth."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "C-3PO found himself on Cloud City, alongside Han, Leia, and Chewbacca. What seemed like a safe port in a storm turned out to be an Imperial trap; Threepio was first to discover the Empire's presence, but his sleuthing was rewarded with blaster fire at point-blank range."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Although Chewbacca and R2-D2 eventually managed to repair the mangled protocol droid and the group escaped on the Millennium Falcon, nothing could be done to save their friend Han Solo, who had been frozen in carbonite and handed over to the bounty hunter Boba Fett"
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "As it turns out, Han Solo's frozen body was brought to the palace of Jabba the hutt, a crime lord on Tatooine. Threepio proved essential in the plan to rescue Solo-Luke Skywalker, now a Jedi Knight, offered them up as tribute to the corpulent crime lord in a bid save Han. of course, unbeknownst to C-3PO, he and Artoo were just pawns to lull the gangster into a false sens of security"
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Chewbacca accidentally triggered at net trap, hoisting the group high above the ground. A tribe os small furry creature called Ewoks surrounded them, and seemed like they were going to attack until they saw C3-PO."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "His divinity was short-lived, however, after Luke Skywalker used his Force powers to scare the Ewoks into cooperation."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "the Ewoks lent their aid to the Rebels in the ensuing Battle of Endor, an alliance thet ultimately won them the battle and effectively saved the galaxy."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "Believe it or not, C-3PO was actually in The Force Awakens. You probably didn't recognize him because of his red arm. In the years after the Battle of Endor, Threepio continued to serve Princess Leia as an aide as she became a senator in the New Republic and eventually a general in the Resistance."
(en) Dan Casey, 100 Things Star Wars Fans Should Know & Do Before They Die, Triumph Books, , 496 p. (ISBN978-1-63319-983-5 et 1-63319-983-5, lire en ligne), "in his original concept art, Ralph McQuarrie drew inspiration from the automaton from Fritz Lang's 1927 classic Metropolis. "
Philippe LOMBARD, Le Petit livre de Star Wars, Edi8, , 96 p. (ISBN978-2-412-02530-7 et 2-412-02530-4, lire en ligne), "La Forteresse cachée D’Akira Kurosawa (1958) est également une influence importante pour Lucas. « C’est le film qui m’a donné l’idée de faire raconter l’histoire par deux personnages de second plan. Dans son film, Kurosawa avait utilisé cette technique. Dans le mien, les deux personnages en question sont R2D2 et C3PO, et toute l'histoire est racontée d'après ce qu'ils en perçoivent. »"