Gaya APA
Haywood, Roger. (1987).
All about PR .
Singapore:
Mc Graw Hill.
Gaya Chicago
Haywood, Roger.
All about PR.
Singapore:
Mc Graw Hill,
1987.
Text.
Gaya MLA
Haywood, Roger.
All about PR.
Singapore:
Mc Graw Hill,
1987.
Text.
Gaya Turabian
Haywood, Roger.
All about PR.
Singapore:
Mc Graw Hill,
1987.
Print.