Dyfyniad APA

World Health Organization. (2011). Handbook for inspection of ships and issuance of ship sanitation certificates. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. Geneva, Switzerland: World Health Organization, 2011.

Dyfyniad MLA

World Health Organization. Handbook for Inspection of Ships and Issuance of Ship Sanitation Certificates. World Health Organization, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.