APA-viite (7. p.)
Barrett, E. (2010). Persons and liberal democracy: The ethical and political thought of Karol Wojtyla/Pope John Paul II. Lexington Books.
Chicago-viite (17. p.)
Barrett, Edward. Persons and Liberal Democracy: The Ethical and Political Thought of Karol Wojtyla/Pope John Paul II. Lanham, Maryland: Lexington Books, 2010.
MLA-viite (9. p.)
Barrett, Edward. Persons and Liberal Democracy: The Ethical and Political Thought of Karol Wojtyla/Pope John Paul II. Lexington Books, 2010.
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