APA引文

Prasad, B. D. A. (1990). Mathematics for civil services (preliminary) examination (Ed.4 rev.).

Chicago Edition Citation

Prasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. New Delhi, Cosmos Bookhive, 1990.

MLA引文

Prasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. 1990.

警告：这些引文格式不一定是100％准确.