BOLTON, W. (1968). Electricity.: BOLTON, W. Pergamon Press.
Chicago-čujuhus (17. p.)BOLTON, W. Electricity.: BOLTON, W. London: Pergamon Press, 1968.
MLA-čujuhus (9. p.)BOLTON, W. Electricity.: BOLTON, W. Pergamon Press, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.