Kibuuka, P., Karuggah, R., & Mugo, M. (2005). Certificate geography (New syllabus, second edition.). Oxford University Press, Oxford University Press East Africa Limited.
Citazione stile Chigago Style (17a edizione)Kibuuka, Paul, Robert Karuggah, e Mary Mugo. Certificate Geography. New syllabus, second edition. Nairobi, Kenya: Oxford University Press, Oxford University Press East Africa Limited, 2005.
Citatione MLA (9a ed.)Kibuuka, Paul, et al. Certificate Geography. New syllabus, second edition. Oxford University Press, Oxford University Press East Africa Limited, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.