Dyfyniad APA

Mathieson, A. (1982). Tourism: Economic, physical, and social impacts. Longman.

Dyfyniad Arddull Chicago

Mathieson, Alister. Tourism: Economic, Physical, and Social Impacts. London: Longman, 1982.

Dyfyniad MLA

Mathieson, Alister. Tourism: Economic, Physical, and Social Impacts. Longman, 1982.

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