Gaya APA
Levitt, T, ., Berry, P, K, H, C, P, J, T, A, R, L, L. (2003).
Marketing Classics (Edisi 1).
:
Amara Books.
Gaya MLA
Levitt, Theodore, ., Berry, Philip, Kotler,Gary, Hamel,, C.K., Prahalad,, Jack, Trout,, Al, Ries,, Leonard, L..
"Marketing Classics".
Edisi 1
:
Amara Books,
2003.
.