Dyfyniad APA

 Hacker, D. (2007).  A writer’s reference: With Extra help for ESL Writers.  Bedford/St. Martin’s.

Dyfyniad Arddull Chicago

 Hacker, Diana.  A Writer’s Reference: With Extra Help for ESL Writers.  Bedford/St. Martin’s, 2007.

Dyfyniad MLA

 Hacker, Diana.  A Writer’s Reference: With Extra Help for ESL Writers.  Bedford/St. Martin’s, 2007.

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