Cita APA (7th ed.)

DuPont, M. K. (1998). Business etiquette and professionalism. Crisp.

Cita Chicago (17th ed.)

DuPont, M. Kay. Business Etiquette and Professionalism. Plano: Crisp, 1998.

Cita MLA (9th ed.)

DuPont, M. Kay. Business Etiquette and Professionalism. Crisp, 1998.