Cita APA (7a ed.)

Tull. (1984). Marketing research (3rd.). Macmillan.

Cita Chicago Style (17a ed.)

Tull. Marketing Research. 3rd. New York: Macmillan, 1984.

Cita MLA (9a ed.)

Tull. Marketing Research. 3rd. Macmillan, 1984.