Everett Robert F. (2009). Entrepreneur's Guide to Marketing. Praeger.
Cita Chicago (17th ed.)Everett Robert F. Entrepreneur's Guide to Marketing. London: Praeger, 2009.
Cita MLA (9th ed.)Everett Robert F. Entrepreneur's Guide to Marketing. Praeger, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.