Gaya APA
Getu Degu, Tegbar Yigzaw. (2006).
Research Methodology .
:
USAID.
Gaya Chicago
Getu Degu, Tegbar Yigzaw.
Research Methodology.
:
USAID,
2006.
Text.
Gaya MLA
Getu Degu, Tegbar Yigzaw.
Research Methodology.
:
USAID,
2006.
Text.
Gaya Turabian
Getu Degu, Tegbar Yigzaw.
Research Methodology.
:
USAID,
2006.
Print.