Iain Somerville · Ian Sommerville
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Requirements Engineering: Processes and Techniques | 978-0-471-97208-2 (0-471-97208-8) | 1998 | Gerald Kotonya · Ian Sommerville |
| VAT and Retailing: A Practical Guide to VAT for Retailers and e-Tailers | 978-0-7545-0991-2 (0-7545-0991-5) | 2001 | Susan P. Lewis |