APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.