Llanas, A., & Williams, L. (1995). Atlas: Learning-centered communication. Boston, MA: Heinle &Heinle.
Chicago Style aipamenaLlanas, Angela, và Libby Williams. Atlas: Learning-centered Communication. Boston, MA: Heinle &Heinle, 1995.
MLA aipamenaLlanas, Angela, và Libby Williams. Atlas: Learning-centered Communication. Boston, MA: Heinle &Heinle, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.