Webb, A. (1991). The future for UK environment policy: Key players, issues and implications. Economist Intelligence Unit.
Cita Chicago Style (17a ed.)Webb, Adrian. The Future for UK Environment Policy: Key Players, Issues and Implications. London [etc.]: Economist Intelligence Unit, 1991.
Cita MLA (9a ed.)Webb, Adrian. The Future for UK Environment Policy: Key Players, Issues and Implications. Economist Intelligence Unit, 1991.
Precaución: Estas citas no son 100% exactas.