London, New York, Torono: Oxford University Press for the University of Hull

London-New York-Toronto, Oxford University Press-Sandpiper Books Ltd 1999

London ; New York : Oxford University Press

London/New York/Toronto, Oxford University Press 1973

London, New York, Toronto: Oxford University Press

London, New York, Toronto: Oxford University Press

London/New York/Toronto, Oxford University Press 1972

London, New York, Toronto: Oxford University Press

London, New York, Toronto: Oxford University Press

1974

London/New York : Oxford University Press

1993

New York, NY, U.S.A.: Oxford University Press, Incorporated, 1993

1981

New York, NY, U.S.A., Oxford University Press, Incorporated

New York-London-Glasgow, Oxford University Press-World Bank. 1986

Clarendon Press u. New York, Oxford University Press 1984.

1982

Oxford University Press, New York/Toronto