Gaya APA
Office, T, H. (1986).
Admiralty Tidal Stream Atlas : Orkney And Shetland Islands NP 209 (4).
:
The Hydrographic Office.
Gaya MLA
Office, The, Hydrographic.
"Admiralty Tidal Stream Atlas : Orkney And Shetland Islands NP 209".
4
:
The Hydrographic Office,
1986.
Text.