APA استشهاد

Arun Sharma & Madhukar Kumar Bhagat. (2013). General studies 2013 Paper 2 for civil services preliminary examination. Tata McGraw-Hill.

استشهاد بنمط شيكاغو

Arun Sharma و Madhukar Kumar Bhagat. General Studies 2013 Paper 2 for Civil Services Preliminary Examination. New Delhi: Tata McGraw-Hill, 2013.

MLA استشهاد

Arun Sharma و Madhukar Kumar Bhagat. General Studies 2013 Paper 2 for Civil Services Preliminary Examination. Tata McGraw-Hill, 2013.