Incoming Resources
- Editions Berlitz, Distributed by Macmillan, Distributed by Cassell, Lausanne, Switzerland, New York, London, c1980
- Editions Berlitz, Lausanne, Switzerland, c1981
- Editions Berlitz, Lausanne, Switzerland, c1983
- Editions Berlitz, distributed by Macmillan, Lausanne, New York, c1980