Alexander, . J. W. (1963). Economic geography.
Chicago-čujuhus (17. p.)Alexander, John W. Economic Geography. Englewood Cliffs, 1963.
MLA-čujuhus (9. p.)Alexander, John W. Economic Geography. 1963.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.