Gaya APA
Ukaga, O., Maser, C. (2004).
Evaluating sustainable development : giving people a voice in their destiny .
Virginia:
Stylus.
Gaya MLA
Ukaga, Okechukwu., Maser, Chris.
"Evaluating sustainable development : giving people a voice in their destiny".
Virginia:
Stylus,
2004.
Text.