Dyfyniad APA

Wolfram, S. (1991). Mathematica: A system for doing mathematics by computer (2nd ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2nd ed. England: Addison-Wesley, 1991.

Dyfyniad MLA

Wolfram, Stephen. Mathematica: A System for Doing Mathematics by Computer. 2nd ed. Addison-Wesley, 1991.

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