APA-referens

Puri, G. K. (1988). Political science for civil services preliminary examination. Sudha Pub..

Chicago-stil citat

Puri, G. K. Political Science for Civil Services Preliminary Examination. New Delhi: Sudha Pub., 1988.

MLA-referens

Puri, G. K. Political Science for Civil Services Preliminary Examination. Sudha Pub., 1988.

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