APA (7 वां संस्करण) प्रशस्ति पत्र
Ouma, S. J. (1987). Development in Kenya through co-operatives. Shirikon Management & Book-marketing Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ouma, Sylvester J. Development in Kenya Through Co-operatives. Nairobi, Kenya: Shirikon Management & Book-marketing Services, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ouma, Sylvester J. Development in Kenya Through Co-operatives. Shirikon Management & Book-marketing Services, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.