Writers revealed | BBC | Tiada | 1989 | 0-563-20334-5 |
The interview game | BBC | Tiada | 1985 | 0563211989 |
Taking the strain | BBC | Tiada | 1981 | 0 563 16499 9 |
Use your memory | BBC Enterprise | Tiada | 1986 | 0563204761 |
Thinking in action | BBC Enterprise | Tiada | 1982 | |
The Battle for Islam | BBC | Tiada | 2001 | |
De bono's thinking course | BBC | Tiada | 1982 | 0 563 37073 4 |