Dyfyniad APA

National Municipal League. (1952). A guide for charter commissions (2nd rev. ed.). National Municipal League.

Dyfyniad Arddull Chicago

National Municipal League. A Guide for Charter Commissions. 2nd rev. ed. New York: National Municipal League, 1952.

Dyfyniad MLA

National Municipal League. A Guide for Charter Commissions. 2nd rev. ed. National Municipal League, 1952.

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