Dyfyniad APA

Papers of the Bibliographical Society of America. University of Chicago Press.

Dyfyniad Arddull Chicago

Papers of the Bibliographical Society of America. University of Chicago Press.

Dyfyniad MLA

Papers of the Bibliographical Society of America. University of Chicago Press.

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