Gaya APA

Office, T, U, K, H. (2011). Admiralty LIst Of Radio Signals : Global Maritime Distress And Safety System (GMDSS) Volume 5 NP285 . : The United Kingdom Hydrografphic Office.

Gaya MLA

Office, The, United, Kingdom, Hydrographic. "Admiralty LIst Of Radio Signals : Global Maritime Distress And Safety System (GMDSS) Volume 5 NP285". : The United Kingdom Hydrografphic Office, 2011. Text.