Schielke, T. (2018). Dark Sky - Less light is more: Astronomers, environmental associations and manufacturers have begun to cooperate for a new awareness of darkness "Dark Sky" / von Thomas Schielke. Topos.
Chicago-Zitierstil (17. Ausg.)Schielke, Thomas. "Dark Sky - Less Light Is More: Astronomers, Environmental Associations and Manufacturers Have Begun to Cooperate for a New Awareness of Darkness "Dark Sky" / Von Thomas Schielke." Topos 2018.
MLA-Zitierstil (8. Ausg.)Schielke, Thomas. "Dark Sky - Less Light Is More: Astronomers, Environmental Associations and Manufacturers Have Begun to Cooperate for a New Awareness of Darkness "Dark Sky" / Von Thomas Schielke." Topos, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.