Dyfyniad APA

The New England Quarterly. The New England Quarterly, Inc.

Dyfyniad Arddull Chicago

The New England Quarterly. The New England Quarterly, Inc.

Dyfyniad MLA

The New England Quarterly. The New England Quarterly, Inc.

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