Freeden, M. (2018). Liberalism: A Very Short Introduction. Oxford University Press.
芝加哥风格引文Freeden, Michael. Liberalism: A Very Short Introduction. Oxford University Press, 2018.
MLA引文Freeden, Michael. Liberalism: A Very Short Introduction. Oxford University Press, 2018.
警告：这些引文格式不一定是100％准确.