Gaya APA

Organization, I, M. (2004). General operator's certificate for the global maritime distress and safety system : model course 1.25 (2004 Ed.). London: International Maritime Organization.

Gaya MLA

Organization, International, Maritime. "General operator's certificate for the global maritime distress and safety system : model course 1.25". 2004 Ed. London: International Maritime Organization, 2004. FIC.