Newman, J. H. (1850). Lectures on certain difficulties felt by Anglicans in submitting to the Catholic Church. Burns & Lambert.
Lua i Stíl Chicago (17ú heag.)Newman, John Henry. Lectures on Certain Difficulties Felt by Anglicans in Submitting to the Catholic Church. London: Burns & Lambert, 1850.
Lua MLA (8ú heag.)Newman, John Henry. Lectures on Certain Difficulties Felt by Anglicans in Submitting to the Catholic Church. Burns & Lambert, 1850.
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