Schiffrin, R. S. (1970). English in action: A course for spanish speaking commercial students. Longman.
Chicagoスタイル(17版)引用形式Schiffrin, R. S. English in Action: A Course for Spanish Speaking Commercial Students. Gran Bretaña: Longman, 1970.
MLA(9版)引用形式Schiffrin, R. S. English in Action: A Course for Spanish Speaking Commercial Students. Longman, 1970.
警告: この引用は必ずしも正確ではありません.