APA-viite (7. p.)
Riebling, M. (2016). Church of spies: The Pope's secret war against Hitler. Basic Books.
Chicago-viite (17. p.)
Riebling, Mark. Church of Spies: The Pope's Secret War Against Hitler. New York: Basic Books, 2016.
MLA-viite (9. p.)
Riebling, Mark. Church of Spies: The Pope's Secret War Against Hitler. Basic Books, 2016.
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