APA সাইটেশন

Arun Sharma. (2015). General Studies paper II: For civil services (preliminary) examinations. McGraw hill education.

শিকাগো স্টাইলে সাইটেশন

Arun Sharma. General Studies Paper II: For Civil Services (preliminary) Examinations. New Delhi: McGraw hill education, 2015.

এমএলএ সাইটেশন

Arun Sharma. General Studies Paper II: For Civil Services (preliminary) Examinations. McGraw hill education, 2015.