Lock, C. B. M. (1976). Geography and Cartography: A reference Handbook (3rd.). CLIVE BINGLEY.
Chicago-čujuhus (17. p.)Lock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. London: CLIVE BINGLEY, 1976.
MLA-čujuhus (9. p.)Lock, C B MURIEL. Geography and Cartography: A Reference Handbook. 3rd. CLIVE BINGLEY, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.