Gaya APA

Telecommunications, U, I, D. (1997). List of Call Signs and Numerical Identities of Stations Used by the Maritime Mobile and Maritime Mobile-Satellite Services 1997 . 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 1997". Switzerland: Union Internationale des Telecommunications, 1997. Text.