International Labour Office. (1978). Accident prevention on board ship at sea and in port. The Office.
Citazione stile Chigago Style (17a edizione)International Labour Office. Accident Prevention on Board Ship at Sea and in Port. Geneva: The Office, 1978.
Citatione MLA (8a ed.)International Labour Office. Accident Prevention on Board Ship at Sea and in Port. The Office, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.