Cita APA

Chonko, L. B., & Enis, B. M. (1993). Professional selling. Boston [etc.]: Allyn and Bacon.

Citación estilo Chicago

Chonko, Lawrence B., and Ben M. Enis. Professional Selling. Boston [etc.]: Allyn and Bacon, 1993.

Cita MLA

Chonko, Lawrence B., and Ben M. Enis. Professional Selling. Boston [etc.]: Allyn and Bacon, 1993.