Citazione Stile APA (7a Edizione)
International Labour Office & ebrary, Inc. (2009). Safety and health in underground coalmines. International Labour Office.
Citazione stile Chigago Style (17a edizione)
International Labour Office e Inc ebrary. Safety and Health in Underground Coalmines. Geneva: International Labour Office, 2009.
Citatione MLA (9a ed.)
International Labour Office e Inc ebrary. Safety and Health in Underground Coalmines. International Labour Office, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.