Organisation of Islamic Conference & Statistical, Economic, and Social Research and Training Centre for Islamic Countries. (1989). Yearbook of socio-economic indicators of the OIC member countries. Statistical, Economic, and Social Research and Training Centre for Islamic Countries.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation of Islamic Conference και Economic Statistical. Yearbook of Socio-economic Indicators of the OIC Member Countries. Ankara: Statistical, Economic, and Social Research and Training Centre for Islamic Countries, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation of Islamic Conference και Economic Statistical. Yearbook of Socio-economic Indicators of the OIC Member Countries. Statistical, Economic, and Social Research and Training Centre for Islamic Countries, 1989.