Duffield, B. (1955). Christmas at Lourdes. The Dramatic Publishing Company.
Čikaški stil citiranja (17. izdanje)Duffield, Brainerd. Christmas at Lourdes. Chicago: The Dramatic Publishing Company, 1955.
MLA način citiranja (8. izdanje)Duffield, Brainerd. Christmas at Lourdes. The Dramatic Publishing Company, 1955.
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