Cofnodi Dyfyniadau :: Discovery Services

Dyfyniad APA

Lipsey. HammarskjÃ¶ld. University of Michigan Press.

Dyfyniad Arddull Chicago

Lipsey. HammarskjÃ¶ld. University of Michigan Press.

Dyfyniad MLA

Lipsey. HammarskjÃ¶ld. University of Michigan Press.

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