APA (7th ed.) Zitazioa

Onyango, J. P., & Plews, A. M. (1987). A textbook of basic statistics. East African educational publishers..

Chicago Style (17th ed.) Zitazioa

Onyango, John P., eta A. M. Plews. A Textbook of Basic Statistics. Nairobi: East African educational publishers., 1987.

MLA (9th ed.) Zitazioa

Onyango, John P., eta A. M. Plews. A Textbook of Basic Statistics. East African educational publishers., 1987.