khalid, r. o. (1962). agriculture versus industralization. the institute of national planning.
Chicago-referens (17:e uppl.)khalid, r. o. Agriculture Versus Industralization. cairo: the institute of national planning, 1962.
MLA-referens (9:e uppl.)khalid, r. o. Agriculture Versus Industralization. the institute of national planning, 1962.