(1997). Interactive technology will drive the dynamic earth show. London : London Press Service.
Chicago-čujuhus (17. p.)Interactive Technology Will Drive the Dynamic Earth Show. London : London Press Service, 1997.
MLA-čujuhus (9. p.)Interactive Technology Will Drive the Dynamic Earth Show. London : London Press Service, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.