Stieglitz, F. (1970). Progressive audio lingual drills in english. A Regents Publications.
Chicagoスタイル(17版)引用形式Stieglitz, Francine. Progressive Audio Lingual Drills in English. New York: A Regents Publications, 1970.
MLA(9版)引用形式Stieglitz, Francine. Progressive Audio Lingual Drills in English. A Regents Publications, 1970.
警告: この引用は必ずしも正確ではありません.