Παραπομπή APA

Hanson, E. D. (1969). Animal diversity. Prentice Hall of india.

Παραπομπή Chicago Style

Hanson, Earl D. Animal Diversity. New Delhi: Prentice Hall of india, 1969.

Παραπομπή MLA

Hanson, Earl D. Animal Diversity. Prentice Hall of india, 1969.