Gaya APA

, I. (2004). Model course 1.25 General Operator's Certificate For The Global Maritime Distress And Safety System 2004Edition Course + Compendium (1). London: International Maritime Organization.

Gaya MLA

, IMO. "Model course 1.25 General Operator's Certificate For The Global Maritime Distress And Safety System 2004Edition Course + Compendium". 1 London: International Maritime Organization, 2004. Text.