Gaya APA
E.W.Crampton, ., Harris, L. (1969).
Applied Animal Nutrition (Ed. 2 th).
San Francisco:
W.H.Freeman and company.
Gaya MLA
E.W.Crampton, ., Harris, L.E..
"Applied Animal Nutrition".
Ed. 2 th
San Francisco:
W.H.Freeman and company,
1969.
Text.