Dyfyniad APA

(2007).  The Bedford guide for college writers with reader, research manual, and handbook.  Bedford/St. Martin’s.

Dyfyniad Arddull Chicago

 The Bedford Guide for College Writers With Reader, Research Manual, and Handbook.  Bedford/St. Martin’s, 2007.

Dyfyniad MLA

 The Bedford Guide for College Writers With Reader, Research Manual, and Handbook.  Bedford/St. Martin’s, 2007.

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