Charles W. Kegley and Eugene R. Wittkopf, editor
McGraw-Hill, [2001;2001, 2001]
Buku Teks SO
edited by Donna A. Champeau, Rebecca J. Donatelle, Julie A. Reeder
Pearson Custom Publishing, 2002
Buku Teks
Ferrante, Joan
Wadsworth, 1992
Buku Teks SO
Weihrich, Heinz
McGraw-Hill, 1993
Buku Teks
Dahringer, Lee D.
Addison-Wesley, 1991
Buku Teks SO