Ridger, R. G. (1994). The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank.
Lua i Stíl Chicago (17ú heag.)Ridger, Ronald G. The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank, 1994.
Lua MLA (8ú heag.)Ridger, Ronald G. The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.