R. C. · R. Crum · Richard C. · Richard H Crum
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Economics for AS | 978-0-521-77728-5 (0-521-77728-3) | 2000 | Stephen Walton · Tony Westaway |
| Economics for AS OCR | 978-0-521-54166-4 (0-521-54166-2) | 2003 | Stephen Walton · Keith Brunskill · Gordon Cain · Susan Grant · Steve Tidball · Tony Westaway · Stephen Munday |