Dyfyniad APA
Carroll, P. N., & Noble, D. W. (1988). The free and the unfree: A new history of the United States (2nd ed.). Penguin.
Dyfyniad Arddull Chicago
Carroll, Peter N., and David W. Noble. The Free and the Unfree: A New History of the United States. 2nd ed. New York: Penguin, 1988.
Dyfyniad MLA
Carroll, Peter N., and David W. Noble. The Free and the Unfree: A New History of the United States. 2nd ed. Penguin, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.