Dyfyniad APA

Mason, J., Burton, L., & Stacey, K. (1985). Thinking mathematically (rev. ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Mason, John, Leone Burton, and Kaye Stacey. Thinking Mathematically. rev. ed. Reading, Mass: Addison-Wesley, 1985.

Dyfyniad MLA

Mason, John, et al. Thinking Mathematically. rev. ed. Addison-Wesley, 1985.

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