Cita APA (7th ed.)

RUSSEL, F. A., BEACH, F. H., & BUSKIRK, R. H. (1978). Textbook of salesmanship. McGraw-Hill.

Cita Chicago (17th ed.)

RUSSEL, Frederic A., Frank H. BEACH, i Richard H. BUSKIRK. Textbook of Salesmanship. New York: McGraw-Hill, 1978.

Cita MLA (9th ed.)

RUSSEL, Frederic A., et al. Textbook of Salesmanship. McGraw-Hill, 1978.