APA aipamena

Ojha, N. N. (2016). General Studies: IAS Mains Q & A. Chronicle Books.

Chicago Style aipamena

Ojha, N N. General Studies: IAS Mains Q & A. Noida: Chronicle Books, 2016.

MLA aipamena

Ojha, N N. General Studies: IAS Mains Q & A. Chronicle Books, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.