Dyfyniad APA

Kettner, F. (1936). The need for a secretary of peace. Biosophical Institute.

Dyfyniad Arddull Chicago

Kettner, Frederick. The Need for a Secretary of Peace. New York, N.Y.: Biosophical Institute, 1936.

Dyfyniad MLA

Kettner, Frederick. The Need for a Secretary of Peace. Biosophical Institute, 1936.

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