APA-ийн эшлэл(7 дахь хэвлэлт)

Campbell, H. (2010). Barack Obama and twenty-first-century politics: A revolutionary moment in the USA. Pluto Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Campbell, Horace. Barack Obama and Twenty-first-century Politics: A Revolutionary Moment in the USA. London ; New York: Pluto Press, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Campbell, Horace. Barack Obama and Twenty-first-century Politics: A Revolutionary Moment in the USA. Pluto Press, 2010.