Gaya APA
Healh, Robert L.. (2005).
Encyclopedia of Public relations (Volume 1.).
London:
Sage Publications.
Gaya Chicago
Healh, Robert L..
Encyclopedia of Public relations.
Volume 1.
London:
Sage Publications,
2005.
BUKU.
Gaya MLA
Healh, Robert L..
Encyclopedia of Public relations.
Volume 1.
London:
Sage Publications,
2005.
BUKU.
Gaya Turabian
Healh, Robert L..
Encyclopedia of Public relations.
Volume 1.
London:
Sage Publications,
2005.
BUKU.