Llanas, A., & Williams, L. (1995). Atlas: Learning-centered communication. Boston, MA: Heinle &Heinle.
Dyfyniad Arddull ChicagoLlanas, Angela, và Libby Williams. Atlas: Learning-centered Communication. Boston, MA: Heinle &Heinle, 1995.
Dyfyniad MLALlanas, Angela, và Libby Williams. Atlas: Learning-centered Communication. Boston, MA: Heinle &Heinle, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.