Dreyer, W. (1968). Was bedeutet der Marshall-Plan? Express Verlag.
Chicago Style (17. basım) AtıfDreyer, Walther. Was Bedeutet Der Marshall-Plan? Berlin: Express Verlag, 1968.
MLA (8th ed.) AtıfDreyer, Walther. Was Bedeutet Der Marshall-Plan? Express Verlag, 1968.
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