Horrobin, David F.
Hasting Hilton Publishers Limited, 1979
Buku Teks
Harley, John, author
Thomson, 2004
Buku Teks
Macey, Robert I., author
Prentice-Hall, 1968
Buku Teks
Robinson, James R., author
Blackwell Scientific, 1975
Buku Teks
Bainbridge, F.A., author
Longmans, Green , 1919
Buku Teks