Keck, Robert W.
Addison-Wesley, 2000
Buku Teks
Mader, Sylvia S.
McGraw-HIll, 1996
Buku Teks
Mader, Sylvia S.
McGraw-HIll, 2001
Buku Teks SO
by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
Buku Teks
Raven, Peter H.
WCB, McGraw-Hill, 1996
Buku Teks