Dyfyniad APA

Pearce, D. G., & Butler, R. (2002). Contemporary issues in tourism development. Routledge.

Dyfyniad Arddull Chicago

Pearce, Douglas G., and Richard Butler. Contemporary Issues in Tourism Development. London: Routledge, 2002.

Dyfyniad MLA

Pearce, Douglas G., and Richard Butler. Contemporary Issues in Tourism Development. Routledge, 2002.

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