Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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