Παραπομπή APA
Boschet, A., Nixon, S., Lack, T. J. 1., & European Environment Agency. (2001). European Topic Centre on Inland Waters: Annual topic update 2000 Hilgert. Copenhagen: European Environment Agency.
Παραπομπή Chicago StyleBoschet, A.-F., S.C Nixon, T. J. 1944 Lack, and European Environment Agency. European Topic Centre On Inland Waters: Annual Topic Update 2000 Hilgert. Copenhagen: European Environment Agency, 2001.
Παραπομπή MLABoschet, A.-F., S.C Nixon, T. J. 1944 Lack, and European Environment Agency. European Topic Centre On Inland Waters: Annual Topic Update 2000 Hilgert. Copenhagen: European Environment Agency, 2001.
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