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.
Чикаго стиль цитування (17-те видання)Okpaku, Joseph O., та 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.
Стиль цитування MLA (8-ме видання)Okpaku, Joseph O., та 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.