International Labour Organization. (2011). OSH management system: A tool for continual improvement. International Labour Organization.
Citazione stile Chigago Style (17a edizione)International Labour Organization. OSH Management System: A Tool for Continual Improvement. Geneva: International Labour Organization, 2011.
Citatione MLA (9a ed.)International Labour Organization. OSH Management System: A Tool for Continual Improvement. International Labour Organization, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.