Block, P. (2009) Flawless Consulting: A guide to getting your expertise used (3rd edition) Block, P. (2009). Flawless Consulting: A guide to getting your expertise used (3rd edition). San Francisco: Jossey – Bass.
Cummings, T.G., Worley, C.G. and Donovan, P. (2020) Organization Development and Change Cummings, T.G., Worley, C.G. and Donovan, P. (2020). Organization Development and Change. Mason, OH: Cengage Learning.
Lippitt, G. and Lippitt, R. (1986) The consulting process in action (2nd edition) Lippitt, G. and Lippitt, R. (1986). The consulting process in action (2nd edition). San Francisco: Jossey Bass.
Meignant, A. (2009) Manuel d’Audit du management des ressources humaines (2nd edition) Meignant, A. (2009). Manuel d’Audit du management des ressources humaines (2nd edition). Paris: Éditions Liaisons.
McConnell, J.H. (2011) Auditing your Human Resources Department (2nd edition) McConnell, J.H. (2011). Auditing your Human Resources Department (2nd edition). New York : Amacom.