Dyfyniad APA

Wurzbacher. Happy Like This. University of Iowa Press.

Dyfyniad Arddull Chicago

Wurzbacher. Happy Like This. University of Iowa Press.

Dyfyniad MLA

Wurzbacher. Happy Like This. University of Iowa Press.

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