Abdalla, I. S. E. (1960). The main pivots of the process of socio-economic development in the Arab World during coming decades 1980 to 2000. Arab Planning Institute.
Цитирование в стиле Чикаго (17-е изд.)Abdalla, Ibrahim S. E. The Main Pivots of the Process of Socio-economic Development in the Arab World During Coming Decades 1980 to 2000. Kuwait: Arab Planning Institute, 1960.
Цитирование MLA (9-е изд.)Abdalla, Ibrahim S. E. The Main Pivots of the Process of Socio-economic Development in the Arab World During Coming Decades 1980 to 2000. Arab Planning Institute, 1960.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.