(1975). Drought and agriculture: Report of the CAgM Working Group on the Assessment of Drought.
Chicago-Zitierstil (17. Ausg.)Drought and Agriculture: Report of the CAgM Working Group on the Assessment of Drought. Geneva, 1975.
MLA-Zitierstil (9. Ausg.)Drought and Agriculture: Report of the CAgM Working Group on the Assessment of Drought. 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.