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.
Чикаго стиль цитування (17-те видання)Organisation of Islamic Conference та 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.
Стиль цитування MLA (9-ме видання)Organisation of Islamic Conference та Economic Statistical. Yearbook of Socio-economic Indicators of the OIC Member Countries. Statistical, Economic, and Social Research and Training Centre for Islamic Countries, 1989.