Dyfyniad APA

Surinder Kumar. (2011). Economic impact of travel and tourism. Sonali Publications.

Dyfyniad Arddull Chicago

Surinder Kumar. Economic Impact of Travel and Tourism. New Delhi: Sonali Publications, 2011.

Dyfyniad MLA

Surinder Kumar. Economic Impact of Travel and Tourism. Sonali Publications, 2011.

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