Dyfyniad APA
Simpson, J. B. (1964). Contemporary quotations. Thomas Y. Crowell Company.
Dyfyniad Arddull Chicago
Simpson, James B. Contemporary Quotations. New York: Thomas Y. Crowell Company, 1964.
Dyfyniad MLA
Simpson, James B. Contemporary Quotations. Thomas Y. Crowell Company, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.