(1975). Department of Trade Ship Captian's medical guide (20th ed.). HMSO.
Citación estilo ChicagoDepartment of Trade Ship Captian's Medical Guide. 20th ed. London: HMSO, 1975.
Cita MLADepartment of Trade Ship Captian's Medical Guide. 20th ed. HMSO, 1975.
Warning: These citations may not always be 100% accurate.