Citazione Stile APA (7a Edizione)

Kibuuka, P. K., Karuggah, R., & Mugo, M. (2016). Certificate geography (First published in 1989, second edition 2003, revised edition 2016.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Kibuuka, Paul K., Robert Karuggah, e Mary Mugo. Certificate Geography. First published in 1989, second edition 2003, revised edition 2016. Nairobi: Oxford University Press, 2016.

Citatione MLA (9a ed.)

Kibuuka, Paul K., et al. Certificate Geography. First published in 1989, second edition 2003, revised edition 2016. Oxford University Press, 2016.