Lovelock, C. (2011). Service Marketing (6th.). Pearson.
Chicago Style aipamenaLovelock, Christopher. Service Marketing. 6th. New Deldhi: Pearson, 2011.
MLA aipamenaLovelock, Christopher. Service Marketing. 6th. Pearson, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.