Dyfyniad APA

Washington, A. J., Plotkin, S. H., & Edmond, C. E. (1981). Essentials of basic mathematics (3d ed.). Benjamin/Cummings Pub. Co.

Dyfyniad Arddull Chicago

Washington, Allyn J., Samuel H. Plotkin, and Carolyn E. Edmond. Essentials of Basic Mathematics. 3d ed. Menlo Park, Calif: Benjamin/Cummings Pub. Co, 1981.

Dyfyniad MLA

Washington, Allyn J., et al. Essentials of Basic Mathematics. 3d ed. Benjamin/Cummings Pub. Co, 1981.

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