Dyfyniad APA

Thomas Lee Crowell. (1964). Index to modern English. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Thomas Lee Crowell. Index to Modern English. New York: McGraw-Hill, 1964.

Dyfyniad MLA

Thomas Lee Crowell. Index to Modern English. New York: McGraw-Hill, 1964.

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