Gaya APA
John, L., Ian, M. (1994, 1985).
Livestock rearing in the tropics / Ian Macdonald, John Low .
London:
Macmillan.
Gaya MLA
Low, John., Macdonald, Ian.
"Livestock rearing in the tropics / Ian Macdonald, John Low".
London:
Macmillan,
1994, 1985.
Textbook.