Lagmay, A. V. (1950). A logical analysis of the concept of existence involved in existence propositions.
Čikaški stil citiranja (17. izdanje)Lagmay, Alfredo Villagracia. A Logical Analysis of the Concept of Existence Involved in Existence Propositions. 1950.
MLA način citiranja (9. izdanje)Lagmay, Alfredo Villagracia. A Logical Analysis of the Concept of Existence Involved in Existence Propositions. 1950.
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