Dyfyniad APA

Hallett, G. H., & Hoag, C. G. (1940). Proportional representation, the key to democracy (2d and rev. ed., 1940.). National municipal league.

Dyfyniad Arddull Chicago

Hallett, George Hervey, and Clarence Gilbert Hoag. Proportional Representation, the Key to Democracy. 2d and rev. ed., 1940. New York city: National municipal league, 1940.

Dyfyniad MLA

Hallett, George Hervey, and Clarence Gilbert Hoag. Proportional Representation, the Key to Democracy. 2d and rev. ed., 1940. National municipal league, 1940.

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