Tohutoro APA (7th ed.)
Trott, H. (1973). Endogene Depression und Intelligenz.
Tohutoru Kātū Chicago (17th ed.)
Trott, Henning. Endogene Depression Und Intelligenz. Würzburg, 1973.
Tohutoro MLA (9th ed.)
Trott, Henning. Endogene Depression Und Intelligenz. 1973.
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