United States Naval Observatory. Nautical Almanac Office & Great Britain. Nautical Almanac Office. (2002). The astronomical almanac for the year 2004 and its companion The Astronomical Almanac Online: Data for astronomy, space sciences, geodesy, surveying, navigation and other applications. U.S. G.P.O.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States Naval Observatory. Nautical Almanac Office এবং Great Britain. Nautical Almanac Office. The Astronomical Almanac for the Year 2004 and Its Companion The Astronomical Almanac Online: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications. Washington, D.C: U.S. G.P.O, 2002.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited States Naval Observatory. Nautical Almanac Office এবং Great Britain. Nautical Almanac Office. The Astronomical Almanac for the Year 2004 and Its Companion The Astronomical Almanac Online: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications. U.S. G.P.O, 2002.