APA Style

Office, U, K, H. (2021). Admiralty List of Lights and Fog Signals Volume F Second Edition 2021: North - East Indian Ocean Central Part of South China and Eastern Archipelagic Seas (North of the Equator) Excluding China, and South-West Part of Philippine Sea NP79 (2nd edition). United Kingom: United Kingdom Hydrographic Office.

MLA Style

Office, United, Kingdom, Hydrographic. "Admiralty List of Lights and Fog Signals Volume F Second Edition 2021: North - East Indian Ocean Central Part of South China and Eastern Archipelagic Seas (North of the Equator) Excluding China, and South-West Part of Philippine Sea NP79". 2nd edition United Kingom: United Kingdom Hydrographic Office, 2021. Text.