Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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