Tim Bale, The Conservative Party After Brexit: Turmoil and Transformation, Cambridge, Polity, marzo 2023, pp. 3–8, 291, et passim, ISBN 9781509546015. URL consultato il 12 settembre 2023.
«[...] rather than the installation of a supposedly more 'technocratic' cabinet halting and even reversing any transformation on the part of the Conservative Party from a mainstream centre-right formation into an ersatz radical right-wing populist outfit, it could just as easily accelerate and accentuate it. Of course, radical right-wing populist parties are about more than migration and, indeed, culture wars more generally. Typically, they also put a premium on charismatic leadership and, if in office, on the rights of the executive over other branches of government and any intermediate institutions. And this is exactly what we have seen from the Conservative Party since 2019»