Dyfyniad APA

 Rossi, R. J. (2006).  Theorems, corollaries, lemmas, and methods of proof.  John Wiley & Sons.

Dyfyniad Arddull Chicago

 Rossi, Richard J.  Theorems, Corollaries, Lemmas, and Methods of Proof.  John Wiley & Sons, 2006.

Dyfyniad MLA

 Rossi, Richard J.  Theorems, Corollaries, Lemmas, and Methods of Proof.  John Wiley & Sons, 2006.

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