Gaya APA
Roberts, C, P, H, J, F, M, H, L, S. (1984).
Integrated Principles of Zoology .
ST. Louis:
Times Mirror/Mosby.
Gaya MLA
Roberts, Cleveland, P, Hickmann, Jr, Frances, M, Hickmann, Larry, S.
"Integrated Principles of Zoology".
ST. Louis:
Times Mirror/Mosby,
1984.
.