(1975). Department of Trade Ship Captian's medical guide (20th ed.). HMSO.
Chicago-stil citatDepartment of Trade Ship Captian's Medical Guide. 20th ed. London: HMSO, 1975.
MLA-referensDepartment of Trade Ship Captian's Medical Guide. 20th ed. HMSO, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.