Gaya APA

Ferrell, W, M, P, ;, O. (1987). Marketing: basic concepts and decisions (ed. 5). USA: HOGHTON MIFFLIN.

Gaya MLA

Ferrell, William, M., Pride, ;, O.C.. "Marketing: basic concepts and decisions". ed. 5 USA: HOGHTON MIFFLIN, 1987. Text.