Publisher
- Routledge8
- Forestry Commission2
- Psychology Press2
- CRC Press1
- Clairview Books Ltd1
- Cornerstone Digital1
- Crown House Publishing1
- HarperCollins1
- HarperCollins Leadership1
- HarperCollins Leadership, an imprint of HarperCollins Focus LLC1
- Little, Brown1
- Palgrave Macmillan1
- SAGE Publications Ltd1
- Tilbury House Publishers1
- Transworld Digital1
- Virgin Digital1