Dyfyniad APA

Boole, G. (1958). Calculus of finite differences(1958) (4th ed.). Chelsea Publishing.

Dyfyniad Arddull Chicago

Boole, George. Calculus of Finite Differences(1958). 4th ed. New York: Chelsea Publishing, 1958.

Dyfyniad MLA

Boole, George. Calculus of Finite Differences(1958). 4th ed. Chelsea Publishing, 1958.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.