Curto-Grau, Marta; Zudenkova, Galina (1 Ağustos 2018). "Party discipline and government spending: Theory and evidence". Journal of Public Economics (İngilizce). 164: 139-152. doi:10.1016/j.jpubeco.2018.05.008. ISSN0047-2727.
Dyck, Rand (31 Ocak 1997), David, Leyton-Brown (Ed.), "ONTARIO", Canadian Annual Review of Politics and Public Affairs, Toronto: University of Toronto Press, doi:10.3138/9781442672031-008, ISBN9781442672031, erişim tarihi: 16 Mart 2022
Dyck, Rand (31 Ocak 1997), David, Leyton-Brown (Ed.), "ONTARIO", Canadian Annual Review of Politics and Public Affairs, Toronto: University of Toronto Press, doi:10.3138/9781442672031-008, ISBN9781442672031, erişim tarihi: 16 Mart 2022
Curto-Grau, Marta; Zudenkova, Galina (1 Ağustos 2018). "Party discipline and government spending: Theory and evidence". Journal of Public Economics (İngilizce). 164: 139-152. doi:10.1016/j.jpubeco.2018.05.008. ISSN0047-2727.