APA

Krishna Reddy K., . (2007). Indian history for the UPSC civil services preliminary examination. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Krishna Reddy K, . 2007. Indian history for the UPSC civil services preliminary examination. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Krishna Reddy K., . (2007). Indian history for the UPSC civil services preliminary examination. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Krishna Reddy K, . Indian history for the UPSC civil services preliminary examination. : TATA McGraw-Hill Publishing Company, New Delhi. 2007.