Dyfyniad APA

Seyler, D. U. (1991). Read, reason, write. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Seyler, Dorothy U. Read, Reason, Write. New York: McGraw-Hill, 1991.

Dyfyniad MLA

Seyler, Dorothy U. Read, Reason, Write. New York: McGraw-Hill, 1991.

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