Dyfyniad APA
Nelson, M., & Perry, B. A. (2014). 41: Inside the presidency of George H.W. Bush. Cornell University Press.
Dyfyniad Arddull Chicago
Nelson, Michael, and Barbara A. Perry. 41: Inside the Presidency of George H.W. Bush. Ithaca, New York ; London: Cornell University Press, 2014.
Dyfyniad MLA
Nelson, Michael, and Barbara A. Perry. 41: Inside the Presidency of George H.W. Bush. Cornell University Press, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.