Cita APA (7th ed.)

Cooper, S. W., Grutzner, F., & Cooper, B. (2008). Tips and traps for marketing your business. McGraw-Hill.

Cita Chicago (17th ed.)

Cooper, Scott W., Fritz Grutzner, i Birk Cooper. Tips and Traps for Marketing Your Business. New York: McGraw-Hill, 2008.

Cita MLA (8th ed.)

Cooper, Scott W., et al. Tips and Traps for Marketing Your Business. McGraw-Hill, 2008.