Blythe, J. (1998). Essentials of marketing. Pitman publishing.
Chicago Style aipamenaBlythe, Jim. Essentials of Marketing. London: Pitman publishing, 1998.
MLA aipamenaBlythe, Jim. Essentials of Marketing. Pitman publishing, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.