Craig, Robert T.
Prentice-Hall, 1969
Buku Teks SO
Barker, Forrest
Prentice-Hall, 1989
Buku Teks
Novak, David
D.C. Health , 1989
Buku Teks SO
Tomasowa, Francien Herlen
Lembaga Penerbitan Fakultas Pertanian Universitas Brawijaya, 2004
Buku Teks SO
Hirst, D.M.
Macmillan, 1976
Buku Teks SO