Kant, Immanuel (1971). "Perpetual Peace". In Reiss, Hans (ed.). Political Writings. Cambridge, England: Cambridge University Press. pp. 112–13. ISBN9781107268364.
Möllers 2019, p. 239: "The modern theory of separated powers [...] addresses the necessary or possible relations between [institutional] actors and their normative ‘functions’. Legislation, execution of laws and adjudication are ‘functions’ that the states or other public authorities fulfil and that are carried out by respective ‘branches’. In this context, the notion of ‘function’ refers to different types of legally relevant actions." Möllers, Christoph (September 2019). "Separation of Powers (ch. 9)". In Masterman, Roger; Schütze, Robert (eds.). The Cambridge Companion to Comparative Constitutional Law. Cambridge Companions to Law. Cambridge University Press. pp. 230‒257. doi:10.1017/9781316716731. ISBN978-1-107-16781-0. OCLC1099539425.
Möllers 2019, p. 239: "The modern theory of separated powers [...] addresses the necessary or possible relations between [institutional] actors and their normative ‘functions’. Legislation, execution of laws and adjudication are ‘functions’ that the states or other public authorities fulfil and that are carried out by respective ‘branches’. In this context, the notion of ‘function’ refers to different types of legally relevant actions." Möllers, Christoph (September 2019). "Separation of Powers (ch. 9)". In Masterman, Roger; Schütze, Robert (eds.). The Cambridge Companion to Comparative Constitutional Law. Cambridge Companions to Law. Cambridge University Press. pp. 230‒257. doi:10.1017/9781316716731. ISBN978-1-107-16781-0. OCLC1099539425.
Paine, Thomas (1776). "Republican Government: On the Origin and Design of Government in General, With Concise Remarks on the English Constitution". Common Sense.
Möllers 2019, p. 239: "The modern theory of separated powers [...] addresses the necessary or possible relations between [institutional] actors and their normative ‘functions’. Legislation, execution of laws and adjudication are ‘functions’ that the states or other public authorities fulfil and that are carried out by respective ‘branches’. In this context, the notion of ‘function’ refers to different types of legally relevant actions." Möllers, Christoph (September 2019). "Separation of Powers (ch. 9)". In Masterman, Roger; Schütze, Robert (eds.). The Cambridge Companion to Comparative Constitutional Law. Cambridge Companions to Law. Cambridge University Press. pp. 230‒257. doi:10.1017/9781316716731. ISBN978-1-107-16781-0. OCLC1099539425.