APA (7th ed.) Zitazioa
Ngau, P. (2004). Research design, data collection and analysis: A training manual. UNCRD.
Chicago Style (17th ed.) Zitazioa
Ngau, Peter. Research Design, Data Collection and Analysis: A Training Manual. [Nairobi]: UNCRD, 2004.
MLA (9th ed.) Zitazioa
Ngau, Peter. Research Design, Data Collection and Analysis: A Training Manual. UNCRD, 2004.
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