American Institute of Chemical Engineers. Center for Chemical Process Safety. (2014). Guidelines for enabling conditions and conditional modifiers in layer of protection analysis. CCPS ; Wiley. https://doi.org/10.1002/9781118777787
Παραπομπή σε μορφή Chicago (17η εκδ.)American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Enabling Conditions and Conditional Modifiers in Layer of Protection Analysis. [New York] : Hoboken, New Jersey: CCPS ; Wiley, 2014. https://doi.org/10.1002/9781118777787.
Παραπομπή σε μορφή MLA (8th εκδ.)American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Enabling Conditions and Conditional Modifiers in Layer of Protection Analysis. CCPS ; Wiley, 2014. https://doi.org/10.1002/9781118777787.