APA (7e ed.) Bronvermelding

Azar, B. S. (2002). Understanding and using english grammar (3rd ed.). Pearson Education.

Chicago (17e ed.) Bronvermelding

Azar, Betty Schrampfer. Understanding and Using English Grammar. 3rd ed. New York: Pearson Education, 2002.

MLA (9e ed.) Bronvermelding

Azar, Betty Schrampfer. Understanding and Using English Grammar. 3rd ed. Pearson Education, 2002.