APA (7th ed.) Zitazioa
Friberg, J. (2005). Unexpected links between Egyptian and Babylonian mathematics. World Scientific.
Chicago Style (17th ed.) Zitazioa
Friberg, Jöran. Unexpected Links Between Egyptian and Babylonian Mathematics. Hackensack, N.J.: World Scientific, 2005.
MLA (9th ed.) Zitazioa
Friberg, Jöran. Unexpected Links Between Egyptian and Babylonian Mathematics. World Scientific, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.