Palgrave Macmillan UK, 1996, 173 S., 9781349247523

Palgrave Macmillan UK, 1996, 173 S., 9780333588352

Palgrave Macmillan UK, 1995, 180 S., 9781349131471

Palgrave Macmillan UK, 1996, 185 S., 9781349247554

Palgrave Macmillan UK, 1996, 185 S., 9780333588369

Palgrave Macmillan UK, 1997, 201 S., 9781349255818