Citazione Stile APA (7a Edizione)

Oberhaus, M. A., Ratliffe, S. A., & Stauble, V. R. (1993). Professional selling: A relationship process. Dryden Press.

Citazione stile Chigago Style (17a edizione)

Oberhaus, Mary Ann, Sharon A. Ratliffe, e Vernon R. Stauble. Professional Selling: A Relationship Process. Fort Worth, Tex: Dryden Press, 1993.

Citatione MLA (9a ed.)

Oberhaus, Mary Ann, et al. Professional Selling: A Relationship Process. Dryden Press, 1993.