Gaya APA

Buzzell, R, D., V, I, C, D, F, I, B, R. (1969). Marketing research and information systems text and cases . New York: .

Gaya MLA

Buzzell, Robert, D., V, I., Cox,, Donald, F, II., Brown,, Rex. "Marketing research and information systems text and cases". New York: , 1969. Text.