APA-čujuhus (7. p.)
Barbieri, W. A., Jr. (2014). At the limits of the secular: Reflections on faith and public life. William B. Eerdmans Publishing Company.
Chicago-čujuhus (17. p.)
Barbieri, William A., Jr. At the Limits of the Secular: Reflections on Faith and Public Life. Grand Rapids, Michigan ; Cambridge, England: William B. Eerdmans Publishing Company, 2014.
MLA-čujuhus (9. p.)
Barbieri, William A., Jr. At the Limits of the Secular: Reflections on Faith and Public Life. William B. Eerdmans Publishing Company, 2014.
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