Stieglitz, F. (1970). Progressive audio lingual drills in english. A Regents Publications.
Citación estilo ChicagoStieglitz, Francine. Progressive Audio Lingual Drills in English. New York: A Regents Publications, 1970.
Cita MLAStieglitz, Francine. Progressive Audio Lingual Drills in English. A Regents Publications, 1970.
Warning: These citations may not always be 100% accurate.