League of Nations. Economic, Financial, and Transit Dept, Staley, E., & Knorr, K. E. (1946). Raw-material problems and policies. League of Nations.
Chicago-referens (17:e uppl.)League of Nations. Economic, Financial, and Transit Dept, Eugene Staley, och Klaus Eugen Knorr. Raw-material Problems and Policies. Geneva: League of Nations, 1946.
MLA-referens (8:e uppl.)League of Nations. Economic, Financial, and Transit Dept, et al. Raw-material Problems and Policies. League of Nations, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.