Gaya APA
Ivar, J., Jan, R.
(1966).
Cenetics and Animal Breeding
.
San Francisco:
W.H. Freeman and Campany.
Gaya MLA
Ivar, Johansson., Jan, Rendel.
"Cenetics and Animal Breeding".
San Francisco:
W.H. Freeman and Campany,
1966.
Text.