COWAN, G., & McPHERSON, E. (1982). Plain english rhetoric and reader.-- ed.3. Random House.

COWAN, Gregory, and Elisabeth McPHERSON. Plain English Rhetoric and Reader.-- Ed.3. New York: Random House, 1982.

COWAN, Gregory, and Elisabeth McPHERSON. Plain English Rhetoric and Reader.-- Ed.3. Random House, 1982.