Mader, Sylvia S.
McGraw-Hill, 2010
Buku Teks SO
edited by Stephen Creanor
John Wiley & Sons, 2016
Buku Teks SO
by Willis H. Johnson...[et al.]
Holt, Rinehart and Winston, 1974
Buku Teks SO
McCourt, Richard M.
McGraw-Hill, 1990
Buku Referensi
by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
Buku Teks