Eger, H. (1986). Runoff agriculture: A case study about the Yemeni highlands. Univ., Geowiss.Fak.
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Chicago Style (17th ed.) Citation
Eger, Helmut. Runoff Agriculture: A Case Study About the Yemeni Highlands. Tübingen: Univ., Geowiss.Fak, 1986.
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MLA引文
Eger, Helmut. Runoff Agriculture: A Case Study About the Yemeni Highlands. Univ., Geowiss.Fak, 1986.
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警告：這些引文格式不一定是100％准確.