Ciesla, W. M., & Donaubauer, E. (1994). Decline and dieback of trees and forests: A global overview. Food and Agriculture Organization of the United States.
Chicago-Zitierstil (17. Ausg.)Ciesla, William M., und Edwin Donaubauer. Decline and Dieback of Trees and Forests: A Global Overview. Rome: Food and Agriculture Organization of the United States, 1994.
MLA-Zitierstil (9. Ausg.)Ciesla, William M., und Edwin Donaubauer. Decline and Dieback of Trees and Forests: A Global Overview. Food and Agriculture Organization of the United States, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.