4
Resources share the relationship provider agent to Cassell
- Cassell, Distributed in the United States by Sterling Pub. Co., London, New York, N.Y., c1997
- Cassell, London, 1994, c1992
- Cassell, London, 1999
- Cassell, Distributed in the U.S. by Sterling Pub. Co., London, New York, 1994, c1993