Bartels, R. (1962). Development of marketing thought. richard Irwin Inc.
Chicago Style aipamenaBartels, Robert. Development of Marketing Thought. Illinoi: richard Irwin Inc, 1962.
MLA aipamenaBartels, Robert. Development of Marketing Thought. richard Irwin Inc, 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.