Dyfyniad APA

Holden Andrew. (2008). Environment and Tourism/2e (2nd ed.). Routledge.

Dyfyniad Arddull Chicago

Holden Andrew. Environment and Tourism/2e. 2nd ed. Routledge, 2008.

Dyfyniad MLA

Holden Andrew. Environment and Tourism/2e. 2nd ed. Routledge, 2008.

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