Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.