Heselton, K. E. (2005). Boiler operator's handbook. Fairmont Press.
Čikaški stil citiranjaHeselton, Kenneth E. Boiler Operator's Handbook. Lilburn: Fairmont Press, 2005.
MLA način citiranjaHeselton, Kenneth E. Boiler Operator's Handbook. Fairmont Press, 2005.
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