Tohutoro APA (7th ed.)
Heingartner, R. W., & Bonnell, A. (2011). An American witness in Nazi Frankfurt: The diaries of Robert W. Heingartner, 1928-1937. Peter Lang.
Tohutoru Kātū Chicago (17th ed.)
Heingartner, Robert W., me Andrew Bonnell. An American Witness in Nazi Frankfurt: The Diaries of Robert W. Heingartner, 1928-1937. Bern ; New York: Peter Lang, 2011.
Tohutoro MLA (9th ed.)
Heingartner, Robert W., me Andrew Bonnell. An American Witness in Nazi Frankfurt: The Diaries of Robert W. Heingartner, 1928-1937. Peter Lang, 2011.
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