Speegle, M. (2013). Safety, health, and environmental concepts for the process industry (2nd ed.). Delmar, Cengage Learning.
Chicago-Zitierstil (17. Ausg.)Speegle, Michael. Safety, Health, and Environmental Concepts for the Process Industry. 2nd ed. Clifton Park, NY: Delmar, Cengage Learning, 2013.
MLA-Zitierstil (9. Ausg.)Speegle, Michael. Safety, Health, and Environmental Concepts for the Process Industry. 2nd ed. Delmar, Cengage Learning, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.