Dyfyniad APA

Knoll, J. H., & Seibert, H. (1967). Wilhelm von Humboldt: Politician and educationist. Inter Nationes.

Dyfyniad Arddull Chicago

Knoll, Joachim H., and Horst Seibert. Wilhelm Von Humboldt: Politician and Educationist. Bad Godesberg: Inter Nationes, 1967.

Dyfyniad MLA

Knoll, Joachim H., and Horst Seibert. Wilhelm Von Humboldt: Politician and Educationist. Inter Nationes, 1967.

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