Publisher
- Springer18
- British Standards Institution11
- Palgrave Macmillan9
- Routledge7
- Cambridge Scholars Publishing2
- BBC Active1
- Cambridge Scholars1
- Continuum1
- DK1
- Palgrave Pivot1
- Peking University Press Routledge1
- Springer International Publishing Imprint: Palgrave Pivot1
- Springer Science + Business Media1
- Springer Singapore1
- Springer Verlag1
- Wiley-VCH1