एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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