Gaya APA

Office, U, K, H. (2008). Admiralty Sailing Directions : Philippine Islands Pilot (Edisi Ketiga (NP 33)). United Kingdom: Penerbit The United Kingdom Hydrographic Office.

Gaya MLA

Office, United, Kingdom, Hydrographic. "Admiralty Sailing Directions : Philippine Islands Pilot". Edisi Ketiga (NP 33) United Kingdom: Penerbit The United Kingdom Hydrographic Office, 2008. Text.