(2010). Maintaining biodiversity by protecting the environment: A brochure published by the Federal Environment Agency (UBA) to mark the international year of biodiversity. Umweltbundesamt.
Chicago-Zitierstil (17. Ausg.)Maintaining Biodiversity by Protecting the Environment: A Brochure Published by the Federal Environment Agency (UBA) to Mark the International Year of Biodiversity. Dessau-Roßlau: Umweltbundesamt, 2010.
MLA-Zitierstil (9. Ausg.)Maintaining Biodiversity by Protecting the Environment: A Brochure Published by the Federal Environment Agency (UBA) to Mark the International Year of Biodiversity. Umweltbundesamt, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.