Dyfyniad APA

ebrary, Inc, Carlsen, J., & Butler, R. (2011). Island tourism: Towards a sustainable perspective. CABI.

Dyfyniad Arddull Chicago

ebrary, Inc, Jack Carlsen, and Richard Butler. Island Tourism: Towards a Sustainable Perspective. Wallingford, Oxfordshire, [England] ; Cambridge, MA: CABI, 2011.

Dyfyniad MLA

ebrary, Inc, et al. Island Tourism: Towards a Sustainable Perspective. CABI, 2011.

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