APA (7e ed.) Bronvermelding

Não informado. (2018). Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute.

Chicago (17e ed.) Bronvermelding

Não informado. Publications of the Astronomical Institute of the University of Amsterdam. Amsterdam: University of Amsterdam, Astronomical Institute, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Publications of the Astronomical Institute of the University of Amsterdam. University of Amsterdam, Astronomical Institute, 2018.

Let op: Deze citaties zijn niet altijd 100% accuraat.