Dyfyniad APA

Gewehr, W. M. (1960). The United States: A history of a democracy (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Gewehr, Wesley Marsh. The United States: A History of a Democracy. 2nd ed. New York: McGraw-Hill, 1960.

Dyfyniad MLA

Gewehr, Wesley Marsh. The United States: A History of a Democracy. 2nd ed. McGraw-Hill, 1960.

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