International Association for Bridge and Structural Engineering. (1977). Problems associated with design and construction developing countries =: Conception, projet et execution de constructions dans les regions en developpement = Planen und Bauen in Entwicklungsgebieten : introductory report. ETH-Honggerberg, International Association for Bridge and Structural Engineering.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Association for Bridge and Structural Engineering. Problems Associated with Design and Construction Developing Countries =: Conception, Projet Et Execution De Constructions Dans Les Regions En Developpement = Planen Und Bauen in Entwicklungsgebieten : Introductory Report. Zurich: ETH-Honggerberg, International Association for Bridge and Structural Engineering, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Association for Bridge and Structural Engineering. Problems Associated with Design and Construction Developing Countries =: Conception, Projet Et Execution De Constructions Dans Les Regions En Developpement = Planen Und Bauen in Entwicklungsgebieten : Introductory Report. ETH-Honggerberg, International Association for Bridge and Structural Engineering, 1977.