Raven, Peter H., author
WCB, McGraw-Hill, 1996
Buku Teks
by Eldra Pearl Solomon [and others]
Saunders College , 1993
Buku Teks
by James D. Ebert ... [and others]
Holt, Rinehart and Winston, 1973
Buku Teks
by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
Buku Teks
Kimball, John W., author
Erlangga, 1991
Buku Teks