Haigh, N., Baldock, D., & Patten, C. (1989). Environmental policy and 1992: A report prepared for the British Department of the Environment on the consequences for environmental policy of the completion of the EC internal market. Institute for European Environmental Policy.
Παραπομπή σε μορφή Chicago (17η εκδ.)Haigh, Nigel, David Baldock, και Chris Patten. Environmental Policy and 1992: A Report Prepared for the British Department of the Environment on the Consequences for Environmental Policy of the Completion of the EC Internal Market. London: Institute for European Environmental Policy, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)Haigh, Nigel, et al. Environmental Policy and 1992: A Report Prepared for the British Department of the Environment on the Consequences for Environmental Policy of the Completion of the EC Internal Market. Institute for European Environmental Policy, 1989.