APA (7th ed.) Zitazioa
Peter, J. P., & Donnelly, J. H. (1989). Marketing management: Knowledge and skills (2nd ed.). IRWIN.
Chicago Style (17th ed.) Zitazioa
Peter, J. Paul, eta James H. Donnelly. Marketing Management: Knowledge and Skills. 2nd ed. Boston: IRWIN, 1989.
MLA (9th ed.) Zitazioa
Peter, J. Paul, eta James H. Donnelly. Marketing Management: Knowledge and Skills. 2nd ed. IRWIN, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.