Klockgether, K., Garming, H., & Dirksmeyer, W. (2016). Thünen working paper. Johann Heinrich von Thünen-Institut.
Chicago Style (17. basım) AtıfKlockgether, Kathrin, Hildegard Garming, ve Walter Dirksmeyer. Thünen Working Paper. Braunschweig: Johann Heinrich von Thünen-Institut, 2016.
MLA (8th ed.) AtıfKlockgether, Kathrin, et al. Thünen Working Paper. Johann Heinrich von Thünen-Institut, 2016.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..