Abugah, K. (2009). Millenium fundamentals of research methods: Introduction. Destiny Logistics.
Chicago Style (17th ed.) ZitazioaAbugah, Kibagendi. Millenium Fundamentals of Research Methods: Introduction. Nairobi: Destiny Logistics, 2009.
MLA (9th ed.) ZitazioaAbugah, Kibagendi. Millenium Fundamentals of Research Methods: Introduction. Destiny Logistics, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.