Cita APA (7th ed.)
Ngau, P. (2004). Research design, data collection and analysis: A training manual. UNCRD.
Cita Chicago (17th ed.)
Ngau, Peter. Research Design, Data Collection and Analysis: A Training Manual. [Nairobi]: UNCRD, 2004.
Cita MLA (9th ed.)
Ngau, Peter. Research Design, Data Collection and Analysis: A Training Manual. UNCRD, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.