Campbell, H. (2010). Barack Obama and twenty-first-century politics: A revolutionary moment in the USA. Pluto Press.
芝加哥风格引文Campbell, Horace. Barack Obama and Twenty-first-century Politics: A Revolutionary Moment in the USA. London ; New York: Pluto Press, 2010.
MLA引文Campbell, Horace. Barack Obama and Twenty-first-century Politics: A Revolutionary Moment in the USA. Pluto Press, 2010.
警告：这些引文格式不一定是100％准确.