Tarola, Ornella. "Monopoly Pricing over Time and the Timing of Investments" Topics in Theoretical Economics, 6.1 (2006): 1-17. Retrieved 26 May. 2013, from doi:10.2202/1534-598X.1263

Tarola, O. (2006). Monopoly Pricing over Time and the Timing of Investments. Topics in Theoretical Economics, 6(1), pp. 1-51. Retrieved 26 May. 2013, from doi:10.2202/1534-598X.1263

Tarola, Ornella. 2006. Monopoly Pricing over Time and the Timing of Investments. Topics in Theoretical Economics. 6(1): 1-51. Retrieved 26 May. 2013, from doi:10.2202/1534-598X.1263