Dyfyniad APA

Engelhardt. The Farm at Holstein Dip. University of Iowa Press.

Dyfyniad Arddull Chicago

Engelhardt. The Farm at Holstein Dip. University of Iowa Press.

Dyfyniad MLA

Engelhardt. The Farm at Holstein Dip. University of Iowa Press.

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