European Agency for Safety and Health at Work. (2002). The use of occupational safety and health management systems in the member states of the European Union: Experiences at company level. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων.

European Agency for Safety and Health at Work. The Use of Occupational Safety and Health Management Systems in the Member States of the European Union: Experiences At Company Level. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων, 2002.

European Agency for Safety and Health at Work. The Use of Occupational Safety and Health Management Systems in the Member States of the European Union: Experiences At Company Level. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαικών Κοινοτήτων, 2002.