Não informado. (2018). Publications of the Dominion Observatory. Dominion Astronomical Observatory.
Chicago-referens (17:e uppl.)Não informado. Publications of the Dominion Observatory. Ottawa: Dominion Astronomical Observatory, 2018.
MLA-referens (8:e uppl.)Não informado. Publications of the Dominion Observatory. Dominion Astronomical Observatory, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.