International Maritime Organization. (2015). General operator's certificate for the Global Maritime Distress and Safety System. London: OMI.
Citación estilo ChicagoInternational Maritime Organization. General Operator's Certificate for the Global Maritime Distress and Safety System. London: OMI, 2015.
Cita MLAInternational Maritime Organization. General Operator's Certificate for the Global Maritime Distress and Safety System. London: OMI, 2015.
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