Conference on Nitrogen as a Water Pollutant Copenhagen, Denmark, International Association on Water Pollution Research. Danish National Committee, & Harremo�es, P. (1977). Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975. Pergamon Press.
Style de citation Chicago (17e éd.)Conference on Nitrogen as a Water Pollutant Copenhagen, Denmark, International Association on Water Pollution Research. Danish National Committee, et Poul Harremo�es. Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975. Oxford ; New York: Pergamon Press, 1977.
Style de citation MLA (8e éd.)Conference on Nitrogen as a Water Pollutant Copenhagen, Denmark, et al. Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975. Pergamon Press, 1977.