APA Alıntı

Gopal K Puri. (2009). Political science for civil services (I.A.S) preliminary examination. IIMS.

Chicago Stili Alıntı

Gopal K Puri. Political Science for Civil Services (I.A.S) Preliminary Examination. New Delhi: IIMS, 2009.

MLA Alıntı

Gopal K Puri. Political Science for Civil Services (I.A.S) Preliminary Examination. IIMS, 2009.

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