Humphrey, John <br/><br/>
Admiralty List of Lights and fog Signals: North-East Indian Ocean, Central Part of South China and Eastern Archipelagic Seas (North of the Equator), Excluding China, and South-West Part of Philippine Sea, NP79 Vol.F  (2018/19) 

 - UK,  United Kingdom Hydrographic Office,  2018, 
 - 223p. 
 - Admiralty List of Lights and fog Signals  NP79 Vol.F .