American Institute of Chemical Engineers. Center for Chemical Process Safety. (2015). Guidelines for defining process safety competency requirements. John Wiley & Sons, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Defining Process Safety Competency Requirements. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for Defining Process Safety Competency Requirements. John Wiley & Sons, Inc., 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.