Siotis, Georges and Maite Martínez-Granado. "Sabotaging Entry: An Estimation of Damages in the Directory Enquiry Service Market" Review of Law & Economics, 6.1 (2010): 1-57. Retrieved 21 May. 2013, from doi:10.2202/1555-5879.1294

Siotis, G. & Martínez-Granado, M. (2010). Sabotaging Entry: An Estimation of Damages in the Directory Enquiry Service Market. Review of Law & Economics, 6(1), pp. 1-144. Retrieved 21 May. 2013, from doi:10.2202/1555-5879.1294

Siotis, Georges and Maite Martínez-Granado. 2010. Sabotaging Entry: An Estimation of Damages in the Directory Enquiry Service Market. Review of Law & Economics. 6(1): 1-144. Retrieved 21 May. 2013, from doi:10.2202/1555-5879.1294