Gaya APA

Office, T, U, K, H. (2012). Annual Summary of Notices to Mariners 2012 Part 2 : Amendments to Sailing Directions (Ed. 2012 NP247(2)). United Kingdom: Penerbit The United Kingdom Hydrographic Office.

Gaya MLA

Office, The, United, Kingdom, Hydrographic. "Annual Summary of Notices to Mariners 2012 Part 2 : Amendments to Sailing Directions". Ed. 2012 NP247(2) United Kingdom: Penerbit The United Kingdom Hydrographic Office, 2012. Text.