Gaya APA
WALKER, O, C, J., BOYN, H, W, J.
(2002).
MARKETING management :
(
4th ed.)
.
Boston:
McGraw Hill.
Gaya MLA
WALKER, Orville, C.,, Jr.., BOYN, Harper, W.,, Jr..
"MARKETING management :".
4th ed.
Boston:
McGraw Hill,
2002.
Buku.