Prasad, B. D. A. (1990). Mathematics for civil services (preliminary) examination (Ed.4 rev.).
Chicago ZitierstilPrasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. New Delhi, Cosmos Bookhive, 1990.
MLA ZitierstilPrasad, B D; Author. Mathematics for Civil Services (preliminary) Examination. Ed.4 rev. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.