Dyfyniad APA

Cook,Roy.A. (2011). Tourism/3e: The business of travel (3 rd ed.). Pearson education.

Dyfyniad Arddull Chicago

Cook,Roy.A. Tourism/3e: The Business of Travel. 3 rd ed. Noida: Pearson education, 2011.

Dyfyniad MLA

Cook,Roy.A. Tourism/3e: The Business of Travel. 3 rd ed. Pearson education, 2011.

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