Não informado. (2018). Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute.
Čikaški stil citiranja (17. izdanje)Não informado. Publications of the Astronomical Institute of the University of Amsterdam. Amsterdam: University of Amsterdam, Astronomical Institute, 2018.
MLA način citiranja (8. izdanje)Não informado. Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute, 2018.
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