Cita APA

Azar, B. S., Answer Key, W., Etten, S. V., & Hartle, E. (2003). Fundamentals of english grammar: With answer key (3ra. ed.). United States of América: Pearson Education.

Citación estilo Chicago

Azar, Betth Schrampfer, With Answer Key, Susan Van Etten, y Eshelley Hartle. Fundamentals of English Grammar: With Answer Key. 3ra. ed. United States of América: Pearson Education, 2003.

Cita MLA

Azar, Betth Schrampfer, With Answer Key, Susan Van Etten, y Eshelley Hartle. Fundamentals of English Grammar: With Answer Key. 3ra. ed. United States of América: Pearson Education, 2003.