APA Style
Developing effective research proposals essential . (2000).
:
Sage Publications.
Chicago Style
Developing effective research proposals essential .
.
:
Sage Publications,
2000.
.
MLA Style
Developing effective research proposals essential .
.
:
Sage Publications,
2000.
.
Turabian Style
Developing effective research proposals essential .
:
Sage Publications,
2000.
.