Gaya APA

Frederick, D, M. (1964). Mammals Volume 4 Pages 363-490 : The Illustrated Encyclopedia of Animal Life . London: Odhams Books London.

Gaya MLA

Frederick, Drimmer, M.A. "Mammals Volume 4 Pages 363-490 : The Illustrated Encyclopedia of Animal Life". London: Odhams Books London, 1964. Text.