Gaya APA

Office, U, K, H. (2023). Admiralty List of Radio Signals : Global Maritime Distress and Safety Ssytem (GMDSS) Volume 5 (Ed. 4). United Kingdom: The UK Hydrographic Office.

Gaya MLA

Office, United, Kingdom, Hydrographic. "Admiralty List of Radio Signals : Global Maritime Distress and Safety Ssytem (GMDSS) Volume 5". Ed. 4 United Kingdom: The UK Hydrographic Office, 2023. Text.