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