Παραπομπή APA

(1975). Department of Trade Ship Captian's medical guide (20th ed.). HMSO.

Παραπομπή Chicago Style

Department of Trade Ship Captian's Medical Guide. 20th ed. London: HMSO, 1975.

Παραπομπή MLA

Department of Trade Ship Captian's Medical Guide. 20th ed. HMSO, 1975.