Dyfyniad APA

Potter, K. D. (1999). Educators guide to finding resources in the public domain. Phi Delta Kappa Educational Foundation.

Dyfyniad Arddull Chicago

Potter, Kenyon David. Educators Guide to Finding Resources in the Public Domain. USA: Phi Delta Kappa Educational Foundation, 1999.

Dyfyniad MLA

Potter, Kenyon David. Educators Guide to Finding Resources in the Public Domain. Phi Delta Kappa Educational Foundation, 1999.

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