Dyfyniad APA

Beer. The Philanthropic Revolution. University of Pennsylvania Press.

Dyfyniad Arddull Chicago

Beer. The Philanthropic Revolution. University of Pennsylvania Press.

Dyfyniad MLA

Beer. The Philanthropic Revolution. University of Pennsylvania Press.

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