Hopf, H. (1935). Ackerfragen. Bodenleben u. Ackergeräte. Parey.
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Chicago Style (17th ed.) Citation
Hopf, Heinrich. Ackerfragen. Bodenleben U. Ackergeräte. Berlin: Parey, 1935.
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ציטוט MLA
Hopf, Heinrich. Ackerfragen. Bodenleben U. Ackergeräte. Parey, 1935.
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אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.