Armour, C. L., & Williamson, S. C. (1988). Guidance for modeling causes and effects in environmental problem solving. Fish and Wildlife Service.
Chicago-Zitierstil (17. Ausg.)Armour, Carl L., und Samuel C. Williamson. Guidance for Modeling Causes and Effects in Environmental Problem Solving. Washington, DC: Fish and Wildlife Service, 1988.
MLA-Zitierstil (9. Ausg.)Armour, Carl L., und Samuel C. Williamson. Guidance for Modeling Causes and Effects in Environmental Problem Solving. Fish and Wildlife Service, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.