(1965). Average rainfall 1931 - 1960 (mm): July ; Sudan (New ed. 1965 Topo No. S. 911.). Survey Dept.
Chicago Style (17th ed.) CitationAverage Rainfall 1931 - 1960 (mm): July ; Sudan. New ed. 1965 Topo No. S. 911. Khartoum: Survey Dept, 1965.
MLA (9th ed.) CitationAverage Rainfall 1931 - 1960 (mm): July ; Sudan. New ed. 1965 Topo No. S. 911. Survey Dept, 1965.
Warning: These citations may not always be 100% accurate.