Dyfyniad APA
Lovelock, C., & Wirtz, C. (2007). Services marketing: People, technology, strategy (6th ed.). Pearson.
Dyfyniad Arddull Chicago
Lovelock, Christopher, and Christopher Wirtz. Services Marketing: People, Technology, Strategy. 6th ed. New Jersey: Pearson, 2007.
Dyfyniad MLA
Lovelock, Christopher, and Christopher Wirtz. Services Marketing: People, Technology, Strategy. 6th ed. Pearson, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.