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.
Cytowanie według stylu Chicago (wyd. 17)Okpaku, Joseph O., i 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.
Cytowanie według stylu MLA (wyd. 8)Okpaku, Joseph O., i 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.