Gaya APA

Office, T, U, K, H. (2018). Admiralty Symbols And Abbreviations Used On Admiralty Paper Charts (7). Somerset: The United Kingdom Hydrographic Office.

Gaya MLA

Office, The, United, Kingdom, Hydrographic. "Admiralty Symbols And Abbreviations Used On Admiralty Paper Charts". 7 Somerset: The United Kingdom Hydrographic Office, 2018. Text.