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
P. McDonald ... [et al.]
Longman, 1995
Buku Teks
Scott, John Paul
University of Chicago Press, 1958
Buku Teks