Dyfyniad APA

Catherine Walter. (1991). The new Cambridge English course testbook ; T1. Cambridge: Cambridge Univ. Press.

Dyfyniad Arddull Chicago

Catherine Walter. The New Cambridge English Course Testbook ; T1. Cambridge: Cambridge Univ. Press, 1991.

Dyfyniad MLA

Catherine Walter. The New Cambridge English Course Testbook ; T1. Cambridge: Cambridge Univ. Press, 1991.

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