Dyfyniad APA
Peterson, M. D. (1994). Lincoln in American memory. Oxford University Press.
Dyfyniad Arddull Chicago
Peterson, Merrill D. Lincoln in American Memory. New York: Oxford University Press, 1994.
Dyfyniad MLA
Peterson, Merrill D. Lincoln in American Memory. Oxford University Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.