APA
Singh R, . (2014). Indian economy for civil services examination (english) 6th edition. : .
Chicago
Singh R, . 2014. Indian economy for civil services examination (english) 6th edition. : .
Harvard
Singh R, . (2014). Indian economy for civil services examination (english) 6th edition. : .
MLA
Singh R, . Indian economy for civil services examination (english) 6th edition. : . 2014.