Davis, G., & Willow, A. (1974). Doctor who and the cybermen. Target.
Cita Chicago (17th ed.)Davis, Gerry, i Alan Willow. Doctor Who and the Cybermen. London: Target, 1974.
Cita MLA (9th ed.)Davis, Gerry, i Alan Willow. Doctor Who and the Cybermen. Target, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.