Gaya APA

Louvar, J, F., A.CROWL, D. (2011). CHEMICAL PROCESS SAFETY:FUNDAMENTALS WITH APPLICATIONS . LONDON: PRENTICE HALL PTR.

Gaya MLA

Louvar, Joseph, F., A.CROWL, DANIEL. "CHEMICAL PROCESS SAFETY:FUNDAMENTALS WITH APPLICATIONS". LONDON: PRENTICE HALL PTR, 2011. Text.