Dyfyniad APA

Levinson,Norman. (1940). American Mathematical Society Colloquium Publications Volum XXVI (1940.). American Mathematical Society.

Dyfyniad Arddull Chicago

Levinson,Norman. American Mathematical Society Colloquium Publications Volum XXVI. 1940. New York: American Mathematical Society, 1940.

Dyfyniad MLA

Levinson,Norman. American Mathematical Society Colloquium Publications Volum XXVI. 1940. American Mathematical Society, 1940.

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