Gaya APA
Black, Sam. (1995).
The Practice of Public Relations .
London:
Butterworth-Heinemann.
Gaya Chicago
Black, Sam.
The Practice of Public Relations.
London:
Butterworth-Heinemann,
1995.
BUKU.
Gaya MLA
Black, Sam.
The Practice of Public Relations.
London:
Butterworth-Heinemann,
1995.
BUKU.
Gaya Turabian
Black, Sam.
The Practice of Public Relations.
London:
Butterworth-Heinemann,
1995.
BUKU.