Gladstone, W. E. (1875). Vaticanism: An answer to reproofs and replies. New York.
Čikaški stil citiranja (17. izdanje)Gladstone, W. E. Vaticanism: An Answer to Reproofs and Replies. New York, 1875.
MLA način citiranja (8. izdanje)Gladstone, W. E. Vaticanism: An Answer to Reproofs and Replies. New York, 1875.
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