Micael Ryall. (2002). Instructor's manual interaction access: Reading / writing. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoMicael Ryall. Instructor's Manual Interaction Access: Reading / Writing. New York: McGraw-Hill, 2002.
Dyfyniad MLAMicael Ryall. Instructor's Manual Interaction Access: Reading / Writing. New York: McGraw-Hill, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.