Dyfyniad APA

Carlsen, J., & Butler, R. (2014). Island Tourism: Sustainable Perspectives. CABI.

Dyfyniad Arddull Chicago

Carlsen, Jack, và Richard Butler. Island Tourism: Sustainable Perspectives. CABI, 2014.

Dyfyniad MLA

Carlsen, Jack, và Richard Butler. Island Tourism: Sustainable Perspectives. CABI, 2014.

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