Weilbacher, W. M. (1979). Advertising. Macmillan.
Cita Chicago (17th ed.)Weilbacher, William M. Advertising. Macmillan, 1979.
Cita MLA (9th ed.)Weilbacher, William M. Advertising. Macmillan, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.