Roosevelt, T., & O'Toole, P. (2012). In the words of Theodore Roosevelt: Quotations from the man in the arena. Cornell University Press.
Dyfyniad Arddull ChicagoRoosevelt, Theodore, and Patricia O'Toole. In the Words of Theodore Roosevelt: Quotations from the Man in the Arena. Ithaca: Cornell University Press, 2012.
Dyfyniad MLARoosevelt, Theodore, and Patricia O'Toole. In the Words of Theodore Roosevelt: Quotations from the Man in the Arena. Cornell University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.