(1938). The states and planning: July 1938.
Chicago-čujuhus (17. p.)The States and Planning: July 1938. 1938.
MLA-čujuhus (9. p.)The States and Planning: July 1938. 1938.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.