United nations industrial development organizations. (1978). Guide to practical project appraisal: Social benefit cost analysis in developing countries. Oxford and IBH Publishing Co.Pvt.Ltd.
استشهاد بنمط شيكاغوUnited nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit Cost Analysis in Developing Countries. New Delhi: Oxford and IBH Publishing Co.Pvt.Ltd, 1978.
MLA استشهادUnited nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit Cost Analysis in Developing Countries. Oxford and IBH Publishing Co.Pvt.Ltd, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.