Johnson, H. G. (1967). Economic policies towards less developed countries. London: George Allen & Unwin LTD.
Chicago Style aipamenaJohnson, Harry G. Economic Policies Towards Less Developed Countries. London: George Allen & Unwin LTD, 1967.
MLA aipamenaJohnson, Harry G. Economic Policies Towards Less Developed Countries. London: George Allen & Unwin LTD, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.