Fricke, W., & Wolfbeis, A. (1997). Monitoring landuse and change caused by population dvelopment in the Nigerian savanna from the 1960s till the 1990s. Issues in environmental monitoring in Nigeria.
Chicago-Zitierstil (17. Ausg.)Fricke, Werner, und A. Wolfbeis. "Monitoring Landuse and Change Caused by Population Dvelopment in the Nigerian Savanna from the 1960s Till the 1990s." Issues in Environmental Monitoring in Nigeria 1997.
MLA-Zitierstil (9. Ausg.)Fricke, Werner, und A. Wolfbeis. "Monitoring Landuse and Change Caused by Population Dvelopment in the Nigerian Savanna from the 1960s Till the 1990s." Issues in Environmental Monitoring in Nigeria, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.