Nielsen, S. N., & Briann D. Fath and other. (2020). A New Ecology system perspective (second edition.). Elsevier.
Chicago-Zitierstil (17. Ausg.)Nielsen, Soren Nors, und Briann D. Fath and other. A New Ecology System Perspective. second edition. united Kingdom: Elsevier, 2020.
MLA-Zitierstil (9. Ausg.)Nielsen, Soren Nors, und Briann D. Fath and other. A New Ecology System Perspective. second edition. Elsevier, 2020.