Dyfyniad APA

(1967). Lincoln library of essential information (3rd.). The frontier press.

Dyfyniad Arddull Chicago

Lincoln Library of Essential Information. 3rd. New York: The frontier press, 1967.

Dyfyniad MLA

Lincoln Library of Essential Information. 3rd. The frontier press, 1967.

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