(1981). Dynamics of world development. sage.
Chicago-čujuhus (17. p.)Dynamics of World Development. London: sage, 1981.
MLA-čujuhus (9. p.)Dynamics of World Development. sage, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.