APA (7th ed.) Zitazioa
Sarkhel, J. (2005). Higher secondary economics (2005.). New Book Syndicate.
Chicago Style (17th ed.) Zitazioa
Sarkhel, Jaydeb. Higher Secondary Economics. 2005. Kolkata: New Book Syndicate, 2005.
MLA (9th ed.) Zitazioa
Sarkhel, Jaydeb. Higher Secondary Economics. 2005. New Book Syndicate, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.