Tracy, Brian, author
Bhuana Ilmu Populer, 2024
Buku Teks
Timpe, A. Dale, author
Elex Media Komputindo, 1993
Buku Teks
Kotler, Philip, author
[publisher not identified], [date of publication not identified]
Buku Teks
Buell, Victor P., author
Pan Books, [date of publication not identified]
Buku Teks
Foster, Douglas
Longman, 1972
Buku Teks