Παραπομπή APA
Erickson, J. D. 1., Messner, F., & Ring, I. (2007). Ecological economics of sustainable watershed management. Greenwich, Conn.: JAI Press.
Παραπομπή Chicago StyleErickson, Jon D. 1969-, Frank Messner, and Irene Ring. Ecological Economics of Sustainable Watershed Management. Greenwich, Conn.: JAI Press, 2007.
Παραπομπή MLAErickson, Jon D. 1969-, Frank Messner, and Irene Ring. Ecological Economics of Sustainable Watershed Management. Greenwich, Conn.: JAI Press, 2007.
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