(en) «Competition for CliffsNotes arrives on the scene. Later, a popular study supplement called "Kramnotes" were put into circulation. Today they serve as one of Sparknotes top competitors. – in print», The Christian Science Monitor, (lire en ligne[archive du ], consulté le )
(en) Brynne Formato, «A quick study: online sites speed up reading», The Mirror, Fairfield, Connecticut, United States, (lire en ligne, consulté le ).
(en) Molly Saltz, «No, it's a cheap shortcut that does no one any good», The Register-Guard, Eugene, Oregon, United States, (lire en ligne, consulté le ).
(en) Erin Miller, «Is SparkNotes worthwhile? Yes, used properly it can enhance our education», The Register-Guard, Eugene, Oregon, United States, (lire en ligne, consulté le )
(en) Stacy Martin, «SITE SPECIFIC-www.sparknotes.com», San Francisco Chronicle, San Francisco, Hearst Communications Inc., (lire en ligne[archive du ], consulté le )
(en) Kim Ngan Nguyen, «SparkNotes A Hit With High School Crowd», The Denver Channel, Internet Broadcasting Systems, Inc., (lire en ligne[archive du ], consulté le )
(en) Stacy Martin, «SITE SPECIFIC-www.sparknotes.com», San Francisco Chronicle, San Francisco, Hearst Communications Inc., (lire en ligne[archive du ], consulté le )
(en) James Bowman, «Murder Most Foul», The Wall Street Journal, Dow Jones & Company, Inc., (lire en ligne[archive du ], consulté le ).
(en) Lauren Simnauer et Dumler, Christie, «There's room for sparknotes, too», The View, Zip Publishing, (lire en ligne[archive du ], consulté le ).
(en) «Competition for CliffsNotes arrives on the scene. Later, a popular study supplement called "Kramnotes" were put into circulation. Today they serve as one of Sparknotes top competitors. – in print», The Christian Science Monitor, (lire en ligne[archive du ], consulté le )
(en) Kim Ngan Nguyen, «SparkNotes A Hit With High School Crowd», The Denver Channel, Internet Broadcasting Systems, Inc., (lire en ligne[archive du ], consulté le )
