Agee, W. K., Ault, P. H., & Emery, E. (1989). Maincurrents in mass communications (2nd edition.). Harper and Row,pub..

Agee, Warren K., Phillip H. Ault, and Edwin Emery. Maincurrents in Mass Communications. 2nd edition. New York: Harper and Row,pub., 1989.

Agee, Warren K., et al. Maincurrents in Mass Communications. 2nd edition. Harper and Row,pub., 1989.