Cita APA (7th ed.)

Azar, B. S., Matthies, B. F., & Hartle, S. (2003). Fundamentals of English grammar: Teacher's guide (3rd ed.). Longman.

Cita Chicago (17th ed.)

Azar, Betty Schrampfer, Barbara F. Matthies, i Shelley Hartle. Fundamentals of English Grammar: Teacher's Guide. 3rd ed. New York, NY: Longman, 2003.

Cita MLA (8th ed.)

Azar, Betty Schrampfer, et al. Fundamentals of English Grammar: Teacher's Guide. 3rd ed. Longman, 2003.