Dyfyniad APA

Patterson, T. E. (1997). The American democracy (3rd ed., election ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Patterson, Thomas E. The American Democracy. 3rd ed., election ed. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Patterson, Thomas E. The American Democracy. 3rd ed., election ed. McGraw-Hill, 1997.

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