Zwanenberg, R. (1975). Colonial capitalism and labour in Kenya 1919 - 1939. East African literature bureau.
Lua i Stíl Chicago (17ú heag.)Zwanenberg, R.M.A. Colonial Capitalism and Labour in Kenya 1919 - 1939. Kampala: East African literature bureau, 1975.
Lua MLA (9ú heag.)Zwanenberg, R.M.A. Colonial Capitalism and Labour in Kenya 1919 - 1939. East African literature bureau, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.