APA استشهاد

Seth, M. L. Theory and practice of economic planning (5th ed.). S.Chand & Co..

استشهاد بنمط شيكاغو

Seth, M. L. Theory and Practice of Economic Planning. 5th ed. S.Chand & Co..

MLA استشهاد

Seth, M. L. Theory and Practice of Economic Planning. 5th ed. S.Chand & Co..