Abbey, D. S. (1973). Now see hear: Applying communications to teaching. Ontario Institute for Studies in Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Abbey, David S. Now See Hear: Applying Communications to Teaching. Toronto: Ontario Institute for Studies in Education, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)Abbey, David S. Now See Hear: Applying Communications to Teaching. Ontario Institute for Studies in Education, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.