Jochen, W., & Christopher, L. (2023). Services Marketing: People, Technology, Strategy (Ninth Edition). World Scientific Publishing.
Chicago Style aipamenaJochen, Wirtz, và Lovelock Christopher. Services Marketing: People, Technology, Strategy (Ninth Edition). World Scientific Publishing, 2023.
MLA aipamenaJochen, Wirtz, và Lovelock Christopher. Services Marketing: People, Technology, Strategy (Ninth Edition). World Scientific Publishing, 2023.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.