Evans, A. (1998). Portable laboratory tests the water. London : London Press Service.
Chicago-čujuhus (17. p.)Evans, Albert. Portable Laboratory Tests the Water. London : London Press Service, 1998.
MLA-čujuhus (9. p.)Evans, Albert. Portable Laboratory Tests the Water. London : London Press Service, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.