Dyfyniad APA

(1968). The comparative approach to american history. New York: Basic Books.

Dyfyniad Arddull Chicago

The Comparative Approach to American History. New York: Basic Books, 1968.

Dyfyniad MLA

The Comparative Approach to American History. New York: Basic Books, 1968.

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