Persson, G., & Jansson, M. (1988). Phosphorus in freshwater ecosystems. Kluwer Academic Publishers.
Citazione stile Chigago Style (17a edizione)Persson, Gunnar, e Mats Jansson. Phosphorus in Freshwater Ecosystems. Dordrecht: Kluwer Academic Publishers, 1988.
Citatione MLA (9a ed.)Persson, Gunnar, e Mats Jansson. Phosphorus in Freshwater Ecosystems. Kluwer Academic Publishers, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.