Dyfyniad APA

The Southwestern Naturalist. Southwestern Association of Naturalists.

Dyfyniad Arddull Chicago

The Southwestern Naturalist. Southwestern Association of Naturalists.

Dyfyniad MLA

The Southwestern Naturalist. Southwestern Association of Naturalists.

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