Abbey, D. S. (1973). Now see hear: Applying communications to teaching. Ontario Institute for Studies in Education.
Chicago Style aipamenaAbbey, David S. Now See Hear: Applying Communications to Teaching. Toronto: Ontario Institute for Studies in Education, 1973.
MLA aipamenaAbbey, David S. Now See Hear: Applying Communications to Teaching. Ontario Institute for Studies in Education, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.