Prasad, B. D. A. (1990). Mathematics for civil services (preliminary) examination (Ed.4 rev.).
Chicago Edition CitationPrasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. New Delhi, Cosmos Bookhive, 1990.
MLA Edition CitationPrasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. 1990.
Warning: These citations may not always be 100% accurate.