Dyfyniad APA

VALLINS, G. (1973). Spelling: With a chapter on American spelling. Andre Deutsch.

Dyfyniad Arddull Chicago

VALLINS, G.H. Spelling: With a Chapter on American Spelling. London: Andre Deutsch, 1973.

Dyfyniad MLA

VALLINS, G.H. Spelling: With a Chapter on American Spelling. Andre Deutsch, 1973.

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