Dyfyniad APA

Lovelock, C. (2011). Service Marketing (6th.). Pearson.

Dyfyniad Arddull Chicago

Lovelock, Christopher. Service Marketing. 6th. New Deldhi: Pearson, 2011.

Dyfyniad MLA

Lovelock, Christopher. Service Marketing. 6th. Pearson, 2011.

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