Krasavtsev, B., & Khlyustin, B. (1970). Nautical astronomy. Mir Pub..
Cita Chicago (17th ed.)Krasavtsev, B., i B. Khlyustin. Nautical Astronomy. Moscow: Mir Pub., 1970.
Cita MLA (9th ed.)Krasavtsev, B., i B. Khlyustin. Nautical Astronomy. Mir Pub., 1970.
Atenció: Aquestes cites poden no estar 100% correctes.