Dyfyniad APA

Hall, J. O., & Klinger, R. E. (1957). Problem solving in our American democracy. American Book Co.

Dyfyniad Arddull Chicago

Hall, John Oliver, and Russell E. Klinger. Problem Solving in Our American Democracy. [New York]: American Book Co, 1957.

Dyfyniad MLA

Hall, John Oliver, and Russell E. Klinger. Problem Solving in Our American Democracy. American Book Co, 1957.

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