Thorpe, E., & Thorpe, S. (2017). General studies for civil services preliminary examination paper I: Geography and environmental ecology. Pearson.
Chicago Edition CitationThorpe, Edgar, and Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: Geography and Environmental Ecology. Noida: Pearson, 2017.
MLA Edition CitationThorpe, Edgar, and Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: Geography and Environmental Ecology. Pearson, 2017.
Warning: These citations may not always be 100% accurate.