Dyfyniad APA

Betsis, A. (1996). Cambridge First certificate: Rivision practice tests. Cambridge University Press.

Dyfyniad Arddull Chicago

Betsis, Andrew. Cambridge First Certificate: Rivision Practice Tests. Cambridge: Cambridge University Press, 1996.

Dyfyniad MLA

Betsis, Andrew. Cambridge First Certificate: Rivision Practice Tests. Cambridge University Press, 1996.

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