Belch, George E.
McGraw-Hill, [, 2004]
Buku Teks
Belch, George F.
McGraw-Hill, Irwin, 2001
Buku Teks
Rossiter, John R.
Irwin/McGraw-Hiil, 1996
Buku Teks SO
Barban, Arnold M.
Richard D. Irwin, 1968
Buku Teks SO
Richard J. Semenik, Thomas C. O'Guinn, Chris Allen, Hans Kaufmann
Wadsworth and Cengage Learning, 2012
Buku Teks SO