Ewing, A. d. 1. (1797). Practical astronomy: Containing a description of the solar system; the doctrine of the sphere; the principal problems in astronomy, Illustrated with many Examples. Together with astronomical tables of the sun, moon, and primary planets. By Alexander Ewing, teacher of mathematics, Edinburgh. printed for Peter Hill, Edinburgh; and T.N. Longman, London.
Chicago-Zitierstil (17. Ausg.)Ewing, Alexander d. 1804. Practical Astronomy: Containing a Description of the Solar System; the Doctrine of the Sphere; the Principal Problems in Astronomy, Illustrated with Many Examples. Together with Astronomical Tables of the Sun, Moon, and Primary Planets. By Alexander Ewing, Teacher of Mathematics, Edinburgh. Edinburgh: printed for Peter Hill, Edinburgh; and T.N. Longman, London, 1797.
MLA-Zitierstil (9. Ausg.)Ewing, Alexander d. 1804. Practical Astronomy: Containing a Description of the Solar System; the Doctrine of the Sphere; the Principal Problems in Astronomy, Illustrated with Many Examples. Together with Astronomical Tables of the Sun, Moon, and Primary Planets. By Alexander Ewing, Teacher of Mathematics, Edinburgh. printed for Peter Hill, Edinburgh; and T.N. Longman, London, 1797.