Office, U, K, H.(2016).Admiralty List Of Radio Signals Vol. 6 : Pilot Service, Vessel Traffic Service and Port Operations (Indian Sub-continent, South East Asia and Australia) (Edisi 2016/17 (NP 286-4)).United Kingdom:Penerbit The United Kingdom Hydrographic Office.
Gaya MLA
Office, United, Kingdom, Hydrographic."Admiralty List Of Radio Signals Vol. 6 : Pilot Service, Vessel Traffic Service and Port Operations (Indian Sub-continent, South East Asia and Australia)".Edisi 2016/17 (NP 286-4)United Kingdom:Penerbit The United Kingdom Hydrographic Office,2016.Text.