Cohen, A. (1940). Elements of Calculus. D.C Heath and Company.
Chicago Style aipamenaCohen, Abraham. Elements of Calculus. Boston: D.C Heath and Company, 1940.
MLA aipamenaCohen, Abraham. Elements of Calculus. D.C Heath and Company, 1940.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.