Dyfyniad APA

Walker, R. (2008). English for international tourism 2 student’s book. Oxford University Press.

Dyfyniad Arddull Chicago

Walker, Robin. English for International Tourism 2 Student’s Book. Oxford University Press, 2008.

Dyfyniad MLA

Walker, Robin. English for International Tourism 2 Student’s Book. Oxford University Press, 2008.

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