Godson, M. (2009). Relationship Marketing (5th ed.). Oxford University Press.
Chicago Style aipamenaGodson, Mark. Relationship Marketing. 5th ed. New Delhi: Oxford University Press, 2009.
MLA aipamenaGodson, Mark. Relationship Marketing. 5th ed. Oxford University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.