Sirchis, J. (1988). Energy efficiency in industry. London : Elsevier Applied Science.
Chicago-čujuhus (17. p.)Sirchis, J. Energy Efficiency in Industry. London : Elsevier Applied Science, 1988.
MLA-čujuhus (9. p.)Sirchis, J. Energy Efficiency in Industry. London : Elsevier Applied Science, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.