Sauer, M. A. (1957). A study of foreign language instruction in the Catholic elementary schools of the United States.
Chicago Style (17. basım) AtıfSauer, M. Annunciata. A Study of Foreign Language Instruction in the Catholic Elementary Schools of the United States. 1957.
MLA (8th ed.) AtıfSauer, M. Annunciata. A Study of Foreign Language Instruction in the Catholic Elementary Schools of the United States. 1957.
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