Barker, R. M. (2010). Corporate governance, competition, and political parties: Explaining corporate governance change in Europe. Oxford University Press.

Barker, Roger M. Corporate Governance, Competition, and Political Parties: Explaining Corporate Governance Change in Europe. Oxford ; New York: Oxford University Press, 2010.

Barker, Roger M. Corporate Governance, Competition, and Political Parties: Explaining Corporate Governance Change in Europe. Oxford University Press, 2010.