Dyfyniad APA

Rosenberg, R. R., & Lewis, H. (1964). Essentials business mathematics/6e (6th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Rosenberg, R. Robert, and Harry Lewis. Essentials Business Mathematics/6e. 6th ed. New York: McGraw-Hill, 1964.

Dyfyniad MLA

Rosenberg, R. Robert, and Harry Lewis. Essentials Business Mathematics/6e. 6th ed. McGraw-Hill, 1964.

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