National institute of rural development. (1990). Rural development statistics 1989. National institute of rural development.
استشهاد بنمط شيكاغوNational institute of rural development. Rural Development Statistics 1989. Hyderabad: National institute of rural development, 1990.
MLA استشهادNational institute of rural development. Rural Development Statistics 1989. National institute of rural development, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.