Coordinated by Surender Singh and Virinder Parmar. (2019). General Sudies for civil services preliminary examination 2019. McGrawHill Education.
Chicago Edition CitationCoordinated by Surender Singh and Virinder Parmar. General Sudies for Civil Services Preliminary Examination 2019. Chennai: McGrawHill Education, 2019.
MLA Edition CitationCoordinated by Surender Singh and Virinder Parmar. General Sudies for Civil Services Preliminary Examination 2019. McGrawHill Education, 2019.
Warning: These citations may not always be 100% accurate.