Não informado. (2018). Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute.
Chicago-Zitierstil (17. Ausg.)Não informado. Publications of the Astronomical Institute of the University of Amsterdam. Amsterdam: University of Amsterdam, Astronomical Institute, 2018.
MLA-Zitierstil (8. Ausg.)Não informado. Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.