National Council of Applied Economic Research, New Delhi. (1974). Employment in road transport and road construction. National Council of Applied Economic Research.
استشهاد بنمط شيكاغوNational Council of Applied Economic Research, New Delhi. Employment in Road Transport and Road Construction. New Delhi: National Council of Applied Economic Research, 1974.
MLA استشهادNational Council of Applied Economic Research, New Delhi. Employment in Road Transport and Road Construction. National Council of Applied Economic Research, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.