Dyfyniad APA

Selby, N., & Bledsoe, P. S. (2003). Essential college English: A grammar, punctuation and writing workbook (6th ed.). Longman.

Dyfyniad Arddull Chicago

Selby, Norwood, and Pamela S. Bledsoe. Essential College English: A Grammar, Punctuation and Writing Workbook. 6th ed. New York: Longman, 2003.

Dyfyniad MLA

Selby, Norwood, and Pamela S. Bledsoe. Essential College English: A Grammar, Punctuation and Writing Workbook. 6th ed. Longman, 2003.

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