Dyfyniad APA

Lovelock, C., Wirtz, J., & Chatterjee, J. (2007). Services marketing (5th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Lovelock, Christopher, Jochen Wirtz, and Jayanta Chatterjee. Services Marketing. 5th ed. New Delhi: Pearson Education, 2007.

Dyfyniad MLA

Lovelock, Christopher, et al. Services Marketing. 5th ed. Pearson Education, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.