Wright 2017, pp. 23–24. Wright, Mark, ed. (2017). "The Dalek Invasion of Earth, The Rescue, The Romans and The Web Planet". Doctor Who: The Complete History. 4 (61). London: Panini Comics, Hachette Partworks. ISSN2057-6048.
Wright 2017, pp. 25–26. Wright, Mark, ed. (2017). "The Dalek Invasion of Earth, The Rescue, The Romans and The Web Planet". Doctor Who: The Complete History. 4 (61). London: Panini Comics, Hachette Partworks. ISSN2057-6048.
Wright 2017, pp. 34–35. Wright, Mark, ed. (2017). "The Dalek Invasion of Earth, The Rescue, The Romans and The Web Planet". Doctor Who: The Complete History. 4 (61). London: Panini Comics, Hachette Partworks. ISSN2057-6048.