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.
Cita Chicago (17th ed.)Haigh, Nigel, David Baldock, i 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.
Cita MLA (8th ed.)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.