Gaya APA
Communication policy for .... (1977).
London:
Routledge & Kegan Paul.
Gaya Chicago
Communication policy for ....
~.
London:
Routledge & Kegan Paul,
1977.
Buku.
Gaya MLA
Communication policy for ....
~.
London:
Routledge & Kegan Paul,
1977.
Buku.
Gaya Turabian
Communication policy for ....
London:
Routledge & Kegan Paul,
1977.
Buku.