APA-čujuhus (7. p.)
Farrell, W. (1940). A companion to the Summa (1 ed.). Sheed & Ward.
Chicago-čujuhus (17. p.)
Farrell, Walter. A Companion to the Summa. 1 ed. New York: Sheed & Ward, 1940.
MLA-čujuhus (9. p.)
Farrell, Walter. A Companion to the Summa. 1 ed. Sheed & Ward, 1940.
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