M. Tavits, Presidents with Prime Ministers. Do Direct Elections Matter?, Oxford: Oxford University Press, 2008.

M. Tavits, ‘Direct Presidential Elections and Turnout in Parliamentary Contests’, Political Research Quarterly, online first 2008.

John Gerring, Strom C. Thacker, and Carola Moreno, ‘Are Parliamentary Systems Better? ‘, Comparative Political Studies, online first 2008.

L. Gonenc, ‘Presidential Elements in Government. Turkey’, European Constitutional Law Review, vol. 4, no. 3, pp. 488–523, 2008.

J-W Lin, ‘The Institutional Context of President Chen Shui-bian’s Cross-Strait Messages’, Issues & Studies. A Social Science Quarterly on China, Taiwan and East Asian Affairs, vol. 44, no. 1, 2008, pp. 1-31.

D. Lane, ‘The Orange Revolution: ‘People’s Revolution’ or Revolutionary Coup?’, British Journal of Politics & International Relations, vol. 10, no. 4, 2008, pp. 525-49.

A. Konitzer, ‘The parliamentary election in Serbia, May 2008’, Electoral Studies, vol. 28, no. 1, pp. 141-145.

S. White, ‘The Duma election in Russia, December 2007’, Electoral Studies, vol. 28, no. 1, pp. 171-173.

Pedro C. Magalhães and Braulio Gómez Fortes, ‘Presidential Elections in Semi-Presidential Systems: Presidential Powers, Electoral Turnout and the Performance of Government- Endorsed Candidates’, http://digital.csic.es/bitstream/10261/7949/1/Elections%20semi-presidential.pdf

H. Chien, Exploring Micro-Dynamics of French Cohabitation – A Historical Interpretation, PhD, National Sun Yat-sen University, Kaohsiung, Taiwan, http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0702108-033159