Dyfyniad APA

Kramer, E. E. (1970). The nature and growth of modern mathematics. New York: Hawthorn.

Dyfyniad Arddull Chicago

Kramer, Edna E. The Nature and Growth of Modern Mathematics. New York: Hawthorn, 1970.

Dyfyniad MLA

Kramer, Edna E. The Nature and Growth of Modern Mathematics. New York: Hawthorn, 1970.

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