United States Power Squadrons. (2006). The boatowner's guide to GMDSS and marine radio: Marine distress and safety communications in the digital age. Camden, Me: International Marine/McGraw-Hill.
Παραπομπή Chicago StyleUnited States Power Squadrons. The Boatowner's Guide to GMDSS and Marine Radio: Marine Distress and Safety Communications in the Digital Age. Camden, Me: International Marine/McGraw-Hill, 2006.
Παραπομπή MLAUnited States Power Squadrons. The Boatowner's Guide to GMDSS and Marine Radio: Marine Distress and Safety Communications in the Digital Age. Camden, Me: International Marine/McGraw-Hill, 2006.
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