Dyfyniad APA

Patterson, T. E. (2001). The American democracy (5th ed.). Boston: McGraw Hill.

Dyfyniad Arddull Chicago

Patterson, Thomas E. The American Democracy. 5th ed. Boston: McGraw Hill, 2001.

Dyfyniad MLA

Patterson, Thomas E. The American Democracy. 5th ed. Boston: McGraw Hill, 2001.

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