Oberhaus, M. A., Ratliffe, S. A., & Stauble, V. R. (1993). Professional selling: A relationship process. Dryden Press.
Style de citation Chicago (17e éd.)Oberhaus, Mary Ann, Sharon A. Ratliffe, et Vernon R. Stauble. Professional Selling: A Relationship Process. Fort Worth, Tex: Dryden Press, 1993.
Style de citation MLA (9e éd.)Oberhaus, Mary Ann, et al. Professional Selling: A Relationship Process. Dryden Press, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.