Stamp,, L. D. (1965). A commercial geography (8th ed.). Longmans.
Chicago-čujuhus (17. p.)Stamp,, L. Dudley. A Commercial Geography. 8th ed. London: Longmans, 1965.
MLA-čujuhus (9. p.)Stamp,, L. Dudley. A Commercial Geography. 8th ed. Longmans, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.