Edgar Thorpe and Showick Thorpe. (2016). General Studies Paper I for the Civil Service Preliminary Examination, Vol.IV: General Science.
Chicago Edition CitationEdgar Thorpe and Showick Thorpe. General Studies Paper I for the Civil Service Preliminary Examination, Vol.IV: General Science. Pearson : New Delhi, 2016.
MLA Edition CitationEdgar Thorpe and Showick Thorpe. General Studies Paper I for the Civil Service Preliminary Examination, Vol.IV: General Science. 2016.
Warning: These citations may not always be 100% accurate.