Oxford University Press, New York and Oxford

Oxford, New York, Toronto, Melbourne, Oxford University Press

1991

Hong Kong/ New York/Oxford : Oxford University Press

Oxford, New York, Toronto and Melbourne: Oxford University Press

Oxford University Press / Oxford, London, New York

Oxford-London-New York-Toronto, Oxford University Press-Sandpiper Books Ltd. 2001

New York / Toronto (Oxford University Press) 1980 (= Erste Ausgabe)

1985

Singapore : New York : Oxford University Press, 1985.

1989

New York/Oxford, Ofxord University Press

London/New York/Toronto, Oxford University Press 1973

Oxfrod, New York, Tokyo: IRL Press at Oxford University Press

New York + Toronto: Oxford University Press, 1978.

New York + Toronto: Oxford University Press, 1978.

New York + Toronto: Oxford University Press, 1978.

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