Stamp,. (1966). Intermediate commercial geography (12th ed.). Longmans.
Chicago-čujuhus (17. p.)Stamp. Intermediate Commercial Geography. 12th ed. London: Longmans, 1966.
MLA-čujuhus (9. p.)Stamp. Intermediate Commercial Geography. 12th ed. Longmans, 1966.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.