Ryan, R. J. (1987). Criteria for judging the validity of clandestine marriages in the Corpus iuris canonici: The distinction between marriage and concubinage.
Čikaški stil citiranja (17. izdanje)Ryan, Richard J. Criteria for Judging the Validity of Clandestine Marriages in the Corpus Iuris Canonici: The Distinction Between Marriage and Concubinage. 1987.
MLA način citiranja (8. izdanje)Ryan, Richard J. Criteria for Judging the Validity of Clandestine Marriages in the Corpus Iuris Canonici: The Distinction Between Marriage and Concubinage. 1987.
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