Dyfyniad APA

Bernhardt. Where Do We Go From Here? Purdue University Press.

Dyfyniad Arddull Chicago

Bernhardt. Where Do We Go From Here? Purdue University Press.

Dyfyniad MLA

Bernhardt. Where Do We Go From Here? Purdue University Press.

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