APA način citiranja (7. izdanje)
Ongubo, O. P. (2010). Challenges faced in implementation of strategic plans in non-governmental organizations within Nairobi, Kenya. Daystar University.
Čikaški stil citiranja (17. izdanje)
Ongubo, Okemwa Paul. Challenges Faced in Implementation of Strategic Plans in Non-governmental Organizations Within Nairobi, Kenya. Nairobi: Daystar University, 2010.
MLA način citiranja (9. izdanje)
Ongubo, Okemwa Paul. Challenges Faced in Implementation of Strategic Plans in Non-governmental Organizations Within Nairobi, Kenya. Daystar University, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.