Dyfyniad APA

Gronroos Christian. (2016). Services Management and Marketing (3.). Wiley.

Dyfyniad Arddull Chicago

Gronroos Christian. Services Management and Marketing. 3. New Delhi: Wiley, 2016.

Dyfyniad MLA

Gronroos Christian. Services Management and Marketing. 3. Wiley, 2016.

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