Dyfyniad APA

Tribe, J. (2011). The economics of recreation, leisure and tourism. Boston: Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Tribe, John. The Economics of Recreation, Leisure and Tourism. Boston: Butterworth-Heinemann, 2011.

Dyfyniad MLA

Tribe, John. The Economics of Recreation, Leisure and Tourism. Boston: Butterworth-Heinemann, 2011.

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