Gaya APA

The Nautical Almanac NP314-14 : Her Majesty's Nautical Almanac Office. (2017). United Kingdom: Hydrografhic Office,.

Gaya MLA

The Nautical Almanac NP314-14 : Her Majesty's Nautical Almanac Office. 2017. United Kingdom: Hydrografhic Office,, 2017. Text.