Spens, W. (1917). Belief and practice (Ed. 2.). Longmans, Green, and Co..
Čikaški stil citiranja (17. izdanje)Spens, Will. Belief and Practice. Ed. 2. London ; New York: Longmans, Green, and Co., 1917.
MLA način citiranja (8. izdanje)Spens, Will. Belief and Practice. Ed. 2. Longmans, Green, and Co., 1917.
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