Chisholm, G. (1975). Chisholm`s handbook of commercial Geography (19th.). Longman.
Chicago-čujuhus (17. p.)Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. London: Longman, 1975.
MLA-čujuhus (9. p.)Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. Longman, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.