Dyfyniad APA

Wolfram, S. (1999). The mathematica book (4th ed.). Cambridge University Press.

Dyfyniad Arddull Chicago

Wolfram, Stephen. The Mathematica Book. 4th ed. Cambridge: Cambridge University Press, 1999.

Dyfyniad MLA

Wolfram, Stephen. The Mathematica Book. 4th ed. Cambridge University Press, 1999.

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