APA (7th ed.) Zitazioa
Perkins, D. Calculus and Its Origins. Mathematical Association of America.
Chicago Style (17th ed.) Zitazioa
Perkins, David. Calculus and Its Origins. Washington, EUA: Mathematical Association of America.
MLA (9th ed.) Zitazioa
Perkins, David. Calculus and Its Origins. Mathematical Association of America.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.