Great Britain. Hydrographic Office. (2019). Radio aids to navigation, satellite navigation systems, legal time, radio time signals and electronic position fixing systems: The Americas, Far East and Oceania (2019/20.). The United Kingdom Hydrographic Office.
Chicago Style (17th ed.) CitationGreat Britain. Hydrographic Office. Radio Aids to Navigation, Satellite Navigation Systems, Legal Time, Radio Time Signals and Electronic Position Fixing Systems: The Americas, Far East and Oceania. 2019/20. Taunton, Somerset: The United Kingdom Hydrographic Office, 2019.
MLA (9th ed.) CitationGreat Britain. Hydrographic Office. Radio Aids to Navigation, Satellite Navigation Systems, Legal Time, Radio Time Signals and Electronic Position Fixing Systems: The Americas, Far East and Oceania. 2019/20. The United Kingdom Hydrographic Office, 2019.