Gaya APA

Squadron, U, P, S, U, P. (2006). The boatowneer's guide to GMDSS and marine radio : marine distress and safety communications in the digital age.-- . America: McGraw-Hill.

Gaya MLA

Squadron, US, Power, Squadrons, US, Power. "The boatowneer's guide to GMDSS and marine radio : marine distress and safety communications in the digital age.--". America: McGraw-Hill, 2006. Buku.