Dyfyniad APA
ebrary, Inc, & Vocalis Ltd. (2001). The grammar cracker: Unlocking English grammar. Vocalis, Ltd..
Dyfyniad Arddull Chicago
ebrary, Inc, and Vocalis Ltd. The Grammar Cracker: Unlocking English Grammar. [Cambridge, England]: Vocalis, Ltd., 2001.
Dyfyniad MLA
ebrary, Inc, and Vocalis Ltd. The Grammar Cracker: Unlocking English Grammar. Vocalis, Ltd., 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.