Borup, M. B., & Middlebrooks, E. J. (1987). Pollution control in the petrochemicals industry. Lewis Publishers.
Chicago-čujuhus (17. p.)Borup, M. Brett, juo E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Chelsea, Mich: Lewis Publishers, 1987.
MLA-čujuhus (9. p.)Borup, M. Brett, juo E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Lewis Publishers, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.