APA (7th ed.) Zitazioa

abdel karim, a. i. (1964). difference equations. the institute of national planning.

Chicago Style (17th ed.) Zitazioa

abdel karim, abbas i. Difference Equations. cairo: the institute of national planning, 1964.

MLA (9th ed.) Zitazioa

abdel karim, abbas i. Difference Equations. the institute of national planning, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.