Sharma, A., Bhagat, M. K., & Guha, A. (2015). General studies paper II 2015: For civil services preliminary examination. McGraw Hill Education.
Chicago-tyylinen lähdeviittausSharma, Arun, Madhukar Kumar Bhagat, ja Abhijit Guha. General Studies Paper II 2015: For Civil Services Preliminary Examination. New Delhi: McGraw Hill Education, 2015.
MLA-viiteSharma, Arun, et al. General Studies Paper II 2015: For Civil Services Preliminary Examination. McGraw Hill Education, 2015.
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