Ong, W. J. (1974). Lincoln Lecture series: Avant-Propos. St. Louis University. Pius XII Memorial Library.
Chicago-viite (17. p.)Ong, Walter J. Lincoln Lecture Series: Avant-Propos. St. Louis University. Pius XII Memorial Library, 1974.
MLA-viite (8. p.)Ong, Walter J. Lincoln Lecture Series: Avant-Propos. St. Louis University. Pius XII Memorial Library, 1974.
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