Gaya APA
Dyer, R, F., Forman, E, H. (1991).
An Analytic Approach To Marketing Decisions (Ed.1).
New Jersey:
Prentice-Hall. Inc..
Gaya MLA
Dyer, Robert, F., Forman, Ernest, H.
"An Analytic Approach To Marketing Decisions".
Ed.1
New Jersey:
Prentice-Hall. Inc.,
1991.
Text.