Incoming Resources
- Penguin Books, New York, 2003
- Penguin Books, New York, 1994
- Penguin Books, New York, 2002
- Penguin Books, New York, 2006
- Penguin Books, London, 1988, c1980
- Penguin Books, New York, 2013, c2012
- Penguin Books, New York, c2006
- Penguin Books, New York, New York, 2018
- Penguin Books, New York, 2007
- Penguin Books, Harmondsworth, Eng., New York, ©1981