Dyfyniad APA

Court, N. A. (1964). Mathematics in fun and in earnest. Dial press, Inc..

Dyfyniad Arddull Chicago

Court, Nathan Altshiller. Mathematics in Fun and in Earnest. New yORK: Dial press, Inc., 1964.

Dyfyniad MLA

Court, Nathan Altshiller. Mathematics in Fun and in Earnest. Dial press, Inc., 1964.

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