Bould, Mark; Butler, Andrew; Roberts, Adam; et al (编). The Doctor (1963-). Fifty Key Figures in Science Fiction. Routledge. 2010: 71–72. ISBN 978-0-415-43949-7. OCLC 300981431.
Hills, Matt. Doctor Who. Lavery, David (编). The Essential Cult TV Reader. Essential Reader Contemporary Media and Culture. University Press of Kentucky. 2009: 97–99. ISBN 978-0-8131-2568-8. OCLC 318875078.
Barron, Lee. Intergalactic Girl Power: The Gender Politics of Companionship in 21st Century Doctor Who. Hansen, Christopher J. (编). Ruminations, Peregrinations, and Regenerations: A Critical Approach to Doctor Who. Cambridge Scholars Publishing. 2010: 130–132. ISBN 978-1-4438-2084-4. OCLC 756286979.