Australian Society of Animal Production; editor, Herbert R. Axelrod, Leonard P. Schultz
Pergamon Press, 1980
Buku Referensi
Bouche, R., editor
Wageningen Academic, 2011
eBooks
P.F. Larsen, editor
Wageningen Academic;Wageningen Academic, 2012
eBooks
Orwell, George, 1903-1950
Sumbu, 2001
Buku Teks
by Cleveland P. Hickman, Jr. [and others]
McGraw-Hill, 2012
Buku Teks