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Wallingford: CAB Internatinal, c1993

London: British Library, 1995

London: Earthscan Publ., 1991

Cambridge [u.a.]: Cambridge Univ. Press, 1986

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Englewood Cliffs, NJ: Prentice Hall, 1995 ; London: Prentice-Hall International (UK), 1995

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Ilford, Essex [u.a.]: Cass, 1994

Wallingford: Triangle Books, 1992

London [u.a.]: Routledge, 1992

New York [u.a.]: Harvester Wheatsheaf, 1991

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Boston, Mass [u.a.]: Kluwer Academic, 1988

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Utrecht [u.a.]: International Books in collaboration with the World Rainforest Movement, 1995

London: Fontana, 1989

Aldershot [u.a.]: Avebury, 1996