Dyfyniad APA

Rietz, H. L. (1939). College algebra (4th ed.). Henry Holt and Company.

Dyfyniad Arddull Chicago

Rietz, Henry Lewis. College Algebra. 4th ed. New York: Henry Holt and Company, 1939.

Dyfyniad MLA

Rietz, Henry Lewis. College Algebra. 4th ed. Henry Holt and Company, 1939.

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