Abbey, D. S. (1973). Now see hear: Applying communications to teaching. Ontario Institute for Studies in Education.
Cita Chicago (17th ed.)Abbey, David S. Now See Hear: Applying Communications to Teaching. Toronto: Ontario Institute for Studies in Education, 1973.
Cita MLA (8th ed.)Abbey, David S. Now See Hear: Applying Communications to Teaching. Ontario Institute for Studies in Education, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.