Gaya APA
Begart,Ralph, ., E, T.
(1988).
Scientific farm animal production
(
2)
.
New York:
Macmillan.
Gaya MLA
Begart,Ralph, ., E, Tailor,Rober.
"Scientific farm animal production".
2
New York:
Macmillan,
1988.
Textbook.