APA-viite (7. p.)

Heywood, A. (2015). Political Theory: An Introduction. Palgrave.

Chicago-viite (17. p.)

Heywood, Andrew. Political Theory: An Introduction. New York: Palgrave, 2015.

MLA-viite (9. p.)

Heywood, Andrew. Political Theory: An Introduction. Palgrave, 2015.