APA-viite (7. p.)

Walker, G. (1990). Moral foundations of constitutional thought: Current problems, Augustinian prospects. Princeton University Press.

Chicago-viite (17. p.)

Walker, Graham. Moral Foundations of Constitutional Thought: Current Problems, Augustinian Prospects. Princeton, N.J: Princeton University Press, 1990.

MLA-viite (9. p.)

Walker, Graham. Moral Foundations of Constitutional Thought: Current Problems, Augustinian Prospects. Princeton University Press, 1990.