Organization, I, M.(2002).Model Course 1.31 : Second-Class Radioelectronic Certificate for Global Maritime Distress and Safety System Radio Personnel 2002 Edition Course and Compendium (Ed. 1).United Kingdom:International Maritime Organization Publication.
Gaya MLA
Organization, International, Maritime."Model Course 1.31 : Second-Class Radioelectronic Certificate for Global Maritime Distress and Safety System Radio Personnel 2002 Edition Course and Compendium".Ed. 1United Kingdom:International Maritime Organization Publication,2002.Text.