Gaya APA

Union, I, T. (1995). List Of Call Signs And Numerical Identities : Of Stations Used By The Maritime Mobile And Maritime Mobile-Satellite Services (17). Geneva: International Telecommunication Union.

Gaya MLA

Union, International, Telecommunication. "List Of Call Signs And Numerical Identities : Of Stations Used By The Maritime Mobile And Maritime Mobile-Satellite Services". 17 Geneva: International Telecommunication Union, 1995. Text.