Dyfyniad APA

Wolters. Interpretation. University of Pittsburgh Press.

Dyfyniad Arddull Chicago

Wolters. Interpretation. University of Pittsburgh Press.

Dyfyniad MLA

Wolters. Interpretation. University of Pittsburgh Press.

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