Cita APA (7th ed.)

Sharma, A. (2017). General studies for civil services preliminary examination GS paper-II (UPSC). McGraw hill Education.

Cita Chicago (17th ed.)

Sharma, Arun. General Studies for Civil Services Preliminary Examination GS Paper-II (UPSC). Chennai: McGraw hill Education, 2017.

Cita MLA (9th ed.)

Sharma, Arun. General Studies for Civil Services Preliminary Examination GS Paper-II (UPSC). McGraw hill Education, 2017.