Ausaf Sayeed. (1991). Trends in Objective Geology: For Civil Services and Other Competitive Examinations (3.). CBS.
Chicago Edition CitationAusaf Sayeed. Trends in Objective Geology: For Civil Services and Other Competitive Examinations. 3. new delhi: CBS, 1991.
MLA Edition CitationAusaf Sayeed. Trends in Objective Geology: For Civil Services and Other Competitive Examinations. 3. CBS, 1991.
Warning: These citations may not always be 100% accurate.