Gaya APA
      ADMIRALTY LIST OF LIGHTS AND FOG SIGNALS :  WESTERN SIDE OF NORTH ATLANTIC OCEAN VOL. J NP 82 2000. (1999).
    United Kingdom ::
  THE HYDROGRAPHER OF THE NAVY,.
  
Gaya MLA
      ADMIRALTY LIST OF LIGHTS AND FOG SIGNALS :  WESTERN SIDE OF NORTH ATLANTIC OCEAN VOL. J NP 82 2000.
    .
    United Kingdom ::
  THE HYDROGRAPHER OF THE NAVY,,
  1999.
  Monograf.