(1993). Critical loads: Concept and applications : proceedings of a conference held on 12-14 February 1992 in Grange-over-Sands / under the auspices of the British Ecological Society Industrial Ecology Group and the Natural Environment Research Council, and partly sponsored by the National Power/PowerGen Joint Environmental Programme ; edited by M. Hornung and R.A. Skeffington.
Παραπομπή σε μορφή Chicago (17η εκδ.)Critical Loads: Concept and Applications : Proceedings of a Conference Held on 12-14 February 1992 in Grange-over-Sands / Under the Auspices of the British Ecological Society Industrial Ecology Group and the Natural Environment Research Council, and Partly Sponsored by the National Power/PowerGen Joint Environmental Programme ; Edited by M. Hornung and R.A. Skeffington. 1993.
Παραπομπή σε μορφή MLA (9th εκδ.)Critical Loads: Concept and Applications : Proceedings of a Conference Held on 12-14 February 1992 in Grange-over-Sands / Under the Auspices of the British Ecological Society Industrial Ecology Group and the Natural Environment Research Council, and Partly Sponsored by the National Power/PowerGen Joint Environmental Programme ; Edited by M. Hornung and R.A. Skeffington. 1993.