Pearce, John A., author
Irwin, 1997
Buku Teks
Pearce, John A., author
McGraw-Hill/Irwin, 2003
Buku Teks
Kotler, Philip, author
Prentice Hall International, 1980
Buku Teks
Kotler, Philip, author
Prentice-Hall, 1967
Buku Teks
Kotler, Philip, author
Prentice-Hall, 1976
Buku Teks