Gaya APA
Defleur, M., Dennis, E, E. (1985).
Understanding mass communication (2nd. ed.).
Boston:
Houghton Mifflin Co..
Gaya MLA
Defleur, Melvin., Dennis, Everette, E..
"Understanding mass communication".
2nd. ed.
Boston:
Houghton Mifflin Co.,
1985.
Text.