Marks, R. B. (1985). Personal Selling: An Interactive Approach. Allyn and Bacon.
Chicago Style citaatMarks, Ronald B. Personal Selling: An Interactive Approach. Boston: Allyn and Bacon, 1985.
MLA citatieMarks, Ronald B. Personal Selling: An Interactive Approach. Allyn and Bacon, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.