Solomon, Michael R.
Prentice Hall International, 1997
Buku Teks SO
Solomon, Michael R.
Pearson education, 2015
Buku Teks
Brueggeman, William B.
Richard D. Irwin, 1997
Buku Teks SO
Bruce, Jon W.
West Publishing, 1991
Buku Teks
Maisel, Sherman J.
McGraw-Hill, 1976
Buku Teks