Dyfyniad APA

Ferguson, J. H., & McHenry, D. E. (1969). The American Federal Government (10th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Ferguson, John H., and Dean E. McHenry. The American Federal Government. 10th ed. New York: McGraw-Hill, 1969.

Dyfyniad MLA

Ferguson, John H., and Dean E. McHenry. The American Federal Government. 10th ed. McGraw-Hill, 1969.

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