World Health Organization. (2011). Handbook for inspection of ships and issuance of ship sanitation certificates. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. Geneva, Switzerland: World Health Organization, 2011.
Citatione MLA (8a ed.)World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. World Health Organization, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.