Fiva (2017. november 2.). „Norwegian parliamentary elections, 1906–2013: representation and turnout across four electoral systems”. West European Politics40 (6), 1373–1391. o. DOI:10.1080/01402382.2017.1298016. ISSN0140-2382.
electoral-reform.org.uk
Two-Round System. Electoral Reform Society. (Hozzáférés: 2019. november 7.)
The usefulness of the link between different political forces in the second ballot is (...) a convergence of interests: Buonomo (2000. december 28.). „Al candidato sindaco non eletto spetta sempre almeno un seggio”. Diritto&Giustizia Edizione Online. [2016. március 24-i dátummal az eredetiből archiválva]. (Hozzáférés: 2016. március 20.)
The usefulness of the link between different political forces in the second ballot is (...) a convergence of interests: Buonomo (2000. december 28.). „Al candidato sindaco non eletto spetta sempre almeno un seggio”. Diritto&Giustizia Edizione Online. [2016. március 24-i dátummal az eredetiből archiválva]. (Hozzáférés: 2016. március 20.)
Fiva (2017. november 2.). „Norwegian parliamentary elections, 1906–2013: representation and turnout across four electoral systems”. West European Politics40 (6), 1373–1391. o. DOI:10.1080/01402382.2017.1298016. ISSN0140-2382.