Gaya APA
Leedy, Paul D., ORMROD, Jeanne Ellis. (2005).
PRACTICAL RESEARCH: PLANNING AND DESIGN (8).
:
.
Gaya Chicago
Leedy, Paul D., ORMROD, Jeanne Ellis.
PRACTICAL RESEARCH: PLANNING AND DESIGN.
8
:
,
2005.
Text.
Gaya MLA
Leedy, Paul D., ORMROD, Jeanne Ellis.
PRACTICAL RESEARCH: PLANNING AND DESIGN.
8
:
,
2005.
Text.
Gaya Turabian
Leedy, Paul D., ORMROD, Jeanne Ellis.
PRACTICAL RESEARCH: PLANNING AND DESIGN.
8
:
,
2005.
Print.