Gaya APA

Telecommunications, U, I, D. (2009). List of Call Signs and Numerical Identities of Stations Used by the Maritime Mobile and Maritime Mobile-Satellite Services 2009 . Switzerland: Union Internationale des Telecommunications.

Gaya MLA

Telecommunications, Union, Internationale, Des. "List of Call Signs and Numerical Identities of Stations Used by the Maritime Mobile and Maritime Mobile-Satellite Services 2009". Switzerland: Union Internationale des Telecommunications, 2009. Text.