1. Bennett, A. (2010), “Process Tracing and Causal Inference”, Chapter 10, Brady, Henry E. and David Collier eds. (2010), Rethinking Social Inquiry:Diverse Tools, Shared Standards, 2nd Edition, Rowman & Littlefield Publishers, Inc.
2. Claeys, G. (2017), “The Missing Pieces of the Euro Architecture”, Bruegel Policy Contribution, October 2017.
3. Draghi, M. (2015), “Introductory Statement to the Press Conference with Q&A”, 22 January, 5 March, 15 April, 3 June, 16 July, 3 September, 22 October, 3 December, 2015,
4. Draghi, M. (2016), “Introductory Statement to the Press Conference with Q&A”, 21 January, 10 March, 21 April, 2 June, 21 July, 8 September, 20 October, 8 December, 2016.
5. Draghi, M. (2017), “Introductory Statement to the Press Conference with Q&A”, 19 January, 9 March, 27 April, 8 June, 20 July, 7 September, 26 October, 14 December, 2017.