Dyfyniad APA

Dewey, R. E., & Gould, A. J. (1970). Freedom: Its History, Nature and Varities. Macmillan.

Dyfyniad Arddull Chicago

Dewey, Robert E., and A. James Gould. Freedom: Its History, Nature and Varities. London: Macmillan, 1970.

Dyfyniad MLA

Dewey, Robert E., and A. James Gould. Freedom: Its History, Nature and Varities. Macmillan, 1970.

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