Prentice-Hall, 2000
Buku Teks
Ira Agustiana Halim, author
2012
UI - Tesis (Open)
Cravens, David W., author
McGraw-Hill Irwin, 2002
Buku Teks
Swayne, Linda E., author
Prentice-Hall International, 1989
Buku Teks
Kerin, Roger A., author
Pearson, 2013
Buku Teks