Cita APA (7a ed.)

Kibuuka, P. K., Karuggah, R., & Mugo, M. (2016). Certificate geography (First published in 1991, second edition 2005, revised edition 2016.). Oxford University Press.

Cita Chicago Style (17a ed.)

Kibuuka, Paul K., Robert Karuggah, y Mary Mugo. Certificate Geography. First published in 1991, second edition 2005, revised edition 2016. Nairobi: Oxford University Press, 2016.

Cita MLA (9a ed.)

Kibuuka, Paul K., et al. Certificate Geography. First published in 1991, second edition 2005, revised edition 2016. Oxford University Press, 2016.