Seibert, J. C. (1973). Concepts of marketing management. Harper&Row publishers.
Chicago Style aipamenaSeibert, Joseph C. Concepts of Marketing Management. London: Harper&Row publishers, 1973.
MLA aipamenaSeibert, Joseph C. Concepts of Marketing Management. Harper&Row publishers, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.