Kotler, Philip
[publisher not identified], [date of publication not identified]
Buku Teks
Kotler, Philip
Prentice-Hall, 2000
Buku Teks
Wilson, Mike
Gower Publishing, 1985
Buku Teks
Boyd, Harper W., Jr.
Harcourt Brace Jovanovich, 1972
Buku Teks
Kotler, Philip
Prentice-Hall, 2000
Buku Teks