APA Style
SEVERIN, Werner J.. (1991).
Communication Theories .
s.l.:
Longman.
Chicago Style
SEVERIN, Werner J..
Communication Theories.
s.l.:
Longman,
1991.
Buku.
MLA Style
SEVERIN, Werner J..
Communication Theories.
s.l.:
Longman,
1991.
Buku.
Turabian Style
SEVERIN, Werner J..
Communication Theories.
s.l.:
Longman,
1991.
Buku.