Dyfyniad APA

Ferguson,John H McHenry,Dean E. (1965). The American system of government (8th ed.). Mcgrawhill.

Dyfyniad Arddull Chicago

Ferguson,John H McHenry,Dean E. The American System of Government. 8th ed. NewYork: Mcgrawhill, 1965.

Dyfyniad MLA

Ferguson,John H McHenry,Dean E. The American System of Government. 8th ed. Mcgrawhill, 1965.

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