APA (7e ed.) Bronvermelding
Ouma, S. J. (1990). The transformation of the informal sector: The co-operative perspective. Shirikon Publishers.
Chicago (17e ed.) Bronvermelding
Ouma, Sylvester J. The Transformation of the Informal Sector: The Co-operative Perspective. Nairobi, Kenya: Shirikon Publishers, 1990.
MLA (9e ed.) Bronvermelding
Ouma, Sylvester J. The Transformation of the Informal Sector: The Co-operative Perspective. Shirikon Publishers, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.