Dyfyniad APA

Allan, D. (2004). Placement test 1: Marking kit with user's guide and diagnostic key. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Allan, Dave. Placement Test 1: Marking Kit With User's Guide and Diagnostic Key. Oxford: Oxford University Press, 2004.

Dyfyniad MLA

Allan, Dave. Placement Test 1: Marking Kit With User's Guide and Diagnostic Key. Oxford: Oxford University Press, 2004.

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