APA
TATA Mc GRAW HILL PUBLISHING COMPANY, . (1989). Tata Mcgraw Hill's general studies manual for the UPSC civil services preliminary examination 1989. ND: Tata McGraw-Hill Publishing Company Ltd.
Chicago
TATA Mc GRAW HILL PUBLISHING COMPANY, . 1989. Tata Mcgraw Hill's general studies manual for the UPSC civil services preliminary examination 1989. ND: Tata McGraw-Hill Publishing Company Ltd.
Harvard
TATA Mc GRAW HILL PUBLISHING COMPANY, . (1989). Tata Mcgraw Hill's general studies manual for the UPSC civil services preliminary examination 1989. ND: Tata McGraw-Hill Publishing Company Ltd.
MLA
TATA Mc GRAW HILL PUBLISHING COMPANY, . Tata Mcgraw Hill's general studies manual for the UPSC civil services preliminary examination 1989. ND: Tata McGraw-Hill Publishing Company Ltd. 1989.