HEITKAMP, J. H. Process plant construction estimating standars: Process equipment. Volume IV. Richardson Engineering Service Inc.
Chicago-viite (17. p.)HEITKAMP, John H. Process Plant Construction Estimating Standars: Process Equipment. Volume IV. Richardson Engineering Service Inc.
MLA-viite (8. p.)HEITKAMP, John H. Process Plant Construction Estimating Standars: Process Equipment. Volume IV. Richardson Engineering Service Inc.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.