APA-viite

British Board of Trade. Excepts from the international code of signals with special navy flags and Pennants.

Chicago-tyylinen lähdeviittaus

British Board of Trade. Excepts from the International Code of Signals with Special Navy Flags and Pennants. New York Cornell maritime press 1944.

MLA-viite

British Board of Trade. Excepts from the International Code of Signals with Special Navy Flags and Pennants.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.