Garming, H., Dirksmeyer, W., & Bork, L. (2018). Thünen working paper. Johann Heinrich von Thünen-Institut.
Chicago Style (17. basım) AtıfGarming, Hildegard, Walter Dirksmeyer, ve Linda Bork. Thünen Working Paper. Braunschweig: Johann Heinrich von Thünen-Institut, 2018.
MLA (8th ed.) AtıfGarming, Hildegard, et al. Thünen Working Paper. Johann Heinrich von Thünen-Institut, 2018.
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