International Maritime Organization. (1999). Officer in charge of a navigational watch (1999 ed.). London: OMI.
Citación estilo ChicagoInternational Maritime Organization. Officer in Charge of a Navigational Watch. 1999 ed. London: OMI, 1999.
Cita MLAInternational Maritime Organization. Officer in Charge of a Navigational Watch. 1999 ed. London: OMI, 1999.
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