Cita APA (7th ed.)
Baker, M. J. (1991). Research for marketing. Macmillan.
Cita Chicago (17th ed.)
Baker, Michael J. Research for Marketing. Hampshire: Macmillan, 1991.
Cita MLA (9th ed.)
Baker, Michael J. Research for Marketing. Macmillan, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.