Birgegård, L. (1975). The project selection process in developing countries: A study of the public investment project selection process in Kenya, Zambia and Tanzania. EFI.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Birgegård, Lars-Erik. The Project Selection Process in Developing Countries: A Study of the Public Investment Project Selection Process in Kenya, Zambia and Tanzania. Stockholm: EFI, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Birgegård, Lars-Erik. The Project Selection Process in Developing Countries: A Study of the Public Investment Project Selection Process in Kenya, Zambia and Tanzania. EFI, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.