APA (7th ed.) Zitazioa

Azar, B. S. (2000). Understanding and using english grammar: Workbook - volume b (Third edition.). Longman.

Chicago Style (17th ed.) Zitazioa

Azar, Betty Schrampfer. Understanding and Using English Grammar: Workbook - Volume B. Third edition. New York: Longman, 2000.

MLA (9th ed.) Zitazioa

Azar, Betty Schrampfer. Understanding and Using English Grammar: Workbook - Volume B. Third edition. Longman, 2000.