APA Style
Essential of public relations. (1992).
:
Singapore : Heinemann.
Chicago Style
Essential of public relations.
.
:
Singapore : Heinemann,
1992.
.
MLA Style
Essential of public relations.
.
:
Singapore : Heinemann,
1992.
.
Turabian Style
Essential of public relations.
:
Singapore : Heinemann,
1992.
.