HEITKAMP, J. H. Process plant construction estimating standars: Process equipment. Volume IV. Richardson Engineering Service Inc.
Čikaški stil citiranja (17. izdanje)HEITKAMP, John H. Process Plant Construction Estimating Standars: Process Equipment. Volume IV. Richardson Engineering Service Inc.
MLA način citiranja (8. izdanje)HEITKAMP, John H. Process Plant Construction Estimating Standars: Process Equipment. Volume IV. Richardson Engineering Service Inc.
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