International PELAG Symposium Helsinki, Finland, Tamminen, T., & Kuosa, H. (1998). Eutrophication in planktonic ecosystems:: Food web dynamics and elemental cycling : proceedings of the Fourth International PELAG Symposium, held in Helsinki, Finland, 26-30 August 1996. Kluwer Academic Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)International PELAG Symposium Helsinki, Finland, T. Tamminen, και H. Kuosa. Eutrophication in Planktonic Ecosystems:: Food Web Dynamics and Elemental Cycling : Proceedings of the Fourth International PELAG Symposium, Held in Helsinki, Finland, 26-30 August 1996. Dordrecht: Kluwer Academic Publishers, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)International PELAG Symposium Helsinki, Finland, et al. Eutrophication in Planktonic Ecosystems:: Food Web Dynamics and Elemental Cycling : Proceedings of the Fourth International PELAG Symposium, Held in Helsinki, Finland, 26-30 August 1996. Kluwer Academic Publishers, 1998.