Gaya APA

Office, U, K, H. (2011). Admiralty List of Radio Signals Vol. 5 : Global Maritime Distress and Safety System (GMDSS) Edisi 2011/12 (Edisi 2011/12 (NP 285)). United Kingdom: Penerbit The United Kingdom Hydrographic Office.

Gaya MLA

Office, United, Kingdom, Hydrographic. "Admiralty List of Radio Signals Vol. 5 : Global Maritime Distress and Safety System (GMDSS) Edisi 2011/12". Edisi 2011/12 (NP 285) United Kingdom: Penerbit The United Kingdom Hydrographic Office, 2011. Text.