Llanas, A., & Angela Llanas; Libby Williams. (1995). ATLAS 2: Workbook,learning-centered communication. Boston, Mass: Heinle & Heinle.
Dyfyniad Arddull ChicagoLlanas, Angela, và Angela Llanas; Libby Williams. ATLAS 2: Workbook,learning-centered Communication. Boston, Mass: Heinle & Heinle, 1995.
Dyfyniad MLALlanas, Angela, và Angela Llanas; Libby Williams. ATLAS 2: Workbook,learning-centered Communication. Boston, Mass: Heinle & Heinle, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.