Dyfyniad APA

Wirthlin, R. B. (2004). The greatest communicator: What Ronald Reagan taught me about politics, leadership, and life. Hoboken, N.J: John Wiley & Sons.

Dyfyniad Arddull Chicago

Wirthlin, Richard B. The Greatest Communicator: What Ronald Reagan Taught Me About Politics, Leadership, and Life. Hoboken, N.J: John Wiley & Sons, 2004.

Dyfyniad MLA

Wirthlin, Richard B. The Greatest Communicator: What Ronald Reagan Taught Me About Politics, Leadership, and Life. Hoboken, N.J: John Wiley & Sons, 2004.

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