APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.