Παραπομπή σε μορφή APA (7η εκδ.)

Lagmay, A. V. (1950). A logical analysis of the concept of existence involved in existence propositions.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lagmay, Alfredo Villagracia. A Logical Analysis of the Concept of Existence Involved in Existence Propositions. 1950.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lagmay, Alfredo Villagracia. A Logical Analysis of the Concept of Existence Involved in Existence Propositions. 1950.