Dyfyniad APA

Dirck, B. R. (2012). Lincoln and the Constitution. Southern Illinois University Press.

Dyfyniad Arddull Chicago

Dirck, Brian R. Lincoln and the Constitution. Carbondale: Southern Illinois University Press, 2012.

Dyfyniad MLA

Dirck, Brian R. Lincoln and the Constitution. Southern Illinois University Press, 2012.

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