Spitzer, R. J. (1949). The titles of Our Lady: Including all the invocations of the Litany of Loreto. Liguorian Pamphlet Office.
Chicago-viite (17. p.)Spitzer, R. J. The Titles of Our Lady: Including All the Invocations of the Litany of Loreto. Liguori, Mo.: Liguorian Pamphlet Office, 1949.
MLA-viite (8. p.)Spitzer, R. J. The Titles of Our Lady: Including All the Invocations of the Litany of Loreto. Liguorian Pamphlet Office, 1949.
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