Azar, B. S. (1995). Basic english grammar (2ª ed.). Longman.
Citación estilo ChicagoAzar, Betty Schrampfer. Basic English Grammar. 2ª ed. United States: Longman, 1995.
Cita MLAAzar, Betty Schrampfer. Basic English Grammar. 2ª ed. Longman, 1995.
Warning: These citations may not always be 100% accurate.