Hogness, T.R.
Holt, Rinehart and Winston, 1966
Buku Teks
Hogness, T.R.
Reinhart and Winston, 1954
Buku Teks
Harris, Daniel C.
W H Freeman, 1991
Buku Teks
Wismer, Robert K., author
Macmillan, 1991
Buku Teks
Wiig, Edwin O.
D.Van Nostrand Company, 1954
Buku Teks