Dekker, E. (1990). The light and the dark: A reassessment of the discovery of the Coalsack Nebula, the Magellanic Clouds and the Southern Cross.
Chicago-Zitierstil (17. Ausg.)Dekker, Elly. The Light and the Dark: A Reassessment of the Discovery of the Coalsack Nebula, the Magellanic Clouds and the Southern Cross. 1990.
MLA-Zitierstil (9. Ausg.)Dekker, Elly. The Light and the Dark: A Reassessment of the Discovery of the Coalsack Nebula, the Magellanic Clouds and the Southern Cross. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.