O'Rourke, W. (1972). The Harrisburg 7 and the new Catholic left. Thomas Y. Crowell Company.
Chicago-viite (17. p.)O'Rourke, William. The Harrisburg 7 and the New Catholic Left. New York: Thomas Y. Crowell Company, 1972.
MLA-viite (8. p.)O'Rourke, William. The Harrisburg 7 and the New Catholic Left. Thomas Y. Crowell Company, 1972.
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