Dyfyniad APA
Mann, A. (1963). The progressive era: Liberal renaissance or liberal failure? Holt, Rinehart and Winston.
Dyfyniad Arddull Chicago
Mann, Arthur. The Progressive Era: Liberal Renaissance or Liberal Failure? New York: Holt, Rinehart and Winston, 1963.
Dyfyniad MLA
Mann, Arthur. The Progressive Era: Liberal Renaissance or Liberal Failure? Holt, Rinehart and Winston, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.