Alli, B. O. Fundamental principles of occupational health and safety. 2nd edition. ILO: Geneva, 2008. ISBN: 978-92-2-120454-1.
Friend, M. A. and Kohn, J. P. Fundamentals of Occupational Safety and Health. 6th edition. Bernan Press, 2014. ISBN: 1598887246 , 9781598887242.
Directive 89/391/EEC of 12 June 1989 on the introduction of measures to encourage improvements in the safety and health of workers at work.
COM(2014) 332 final, Brussels, 6.6.2014. EU Strategic Framework on Health and Safety at Work 2014-2020.