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