Lua APA (7ú heag.)
American Institute of Chemical Engineers. Center for Chemical Process Safety. (2014). Guidelines for enabling conditions and conditional modifiers in layers of protection analysis. John Wiley and Sons, Incorporation.
Lua i Stíl Chicago (17ú heag.)
American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Enabling Conditions and Conditional Modifiers in Layers of Protection Analysis. Hoboken, New Jersey: John Wiley and Sons, Incorporation, 2014.
Lua MLA (9ú heag.)
American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Enabling Conditions and Conditional Modifiers in Layers of Protection Analysis. John Wiley and Sons, Incorporation, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.