Dyfyniad APA

Roberts P. Paul. (2001). Cambridge First Certificate: Teacher's Book. New York, Cambridge Universiti Press, 2001.

Dyfyniad Arddull Chicago

Roberts P. Paul. Cambridge First Certificate: Teacher's Book. New York, Cambridge Universiti Press, 2001, 2001.

Dyfyniad MLA

Roberts P. Paul. Cambridge First Certificate: Teacher's Book. New York, Cambridge Universiti Press, 2001, 2001.

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