Gaya APA

Squadrons, U, S, P. (2006). The Boatowners Guide to GMDSS and marine radio: marine Distress and Safety Communications in The Digital Age (-). New York: McGrawHill.

Gaya MLA

Squadrons, United, States, Power. "The Boatowners Guide to GMDSS and marine radio: marine Distress and Safety Communications in The Digital Age". - New York: McGrawHill, 2006. Text.