Okpaku, J. O., & Figueres, J. M. (2003). Information and communications technologies for African development: An assessment of progress and the challenges ahead / ed. with introduction by Joseph O. Okpaku. Preface by José María Figueres. United Nations ICT Tas Force.
Παραπομπή σε μορφή Chicago (17η εκδ.)Okpaku, Joseph O., και Jose Maria Figueres. Information and Communications Technologies for African Development: An Assessment of Progress and the Challenges Ahead / Ed. with Introduction by Joseph O. Okpaku. Preface by José María Figueres. New York: United Nations ICT Tas Force, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Okpaku, Joseph O., και Jose Maria Figueres. Information and Communications Technologies for African Development: An Assessment of Progress and the Challenges Ahead / Ed. with Introduction by Joseph O. Okpaku. Preface by José María Figueres. United Nations ICT Tas Force, 2003.