Dyfyniad APA

Perkins, G. B., & Perkins, B. (2002). The American tradition in literature (10th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Perkins, George B., and Barbara Perkins. The American Tradition in Literature. 10th ed. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Perkins, George B., and Barbara Perkins. The American Tradition in Literature. 10th ed. McGraw-Hill, 2002.

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