Political Studies Association of the United Kingdom. Political studies. Butterworth Scientific Ltd. [e.
芝加哥风格引文Political Studies Association of the United Kingdom. Political Studies. Guildford: Butterworth Scientific Ltd. [e.
MLA引文Political Studies Association of the United Kingdom. Political Studies. Butterworth Scientific Ltd. [e.
警告：这些引文格式不一定是100％准确.