Dyfyniad APA

Ethnology. University of Pittsburgh, University Library System.

Dyfyniad Arddull Chicago

Ethnology. University of Pittsburgh, University Library System.

Dyfyniad MLA

Ethnology. University of Pittsburgh, University Library System.

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