World Meteorological Organization. Working Group on the Assessment of Drought, Australia. Bureau of Meteorology, & Hounam, C. E. (1971). Assessment of drought: Report of WMO Working Group. Bureau of Meteorology, Dept. of the Interior.
Chicago-Zitierstil (17. Ausg.)World Meteorological Organization. Working Group on the Assessment of Drought, Australia. Bureau of Meteorology, und C. E. Hounam. Assessment of Drought: Report of WMO Working Group. [Canberra?]: Bureau of Meteorology, Dept. of the Interior, 1971.
MLA-Zitierstil (8. Ausg.)World Meteorological Organization. Working Group on the Assessment of Drought, et al. Assessment of Drought: Report of WMO Working Group. Bureau of Meteorology, Dept. of the Interior, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.