Halle, L. J. (1981). The search for an eternal norm: As represented by three classics. Univ. Pr. of America.
Παραπομπή σε μορφή Chicago (17η εκδ.)Halle, Louis J. The Search for an Eternal Norm: As Represented by Three Classics. Washington, D.C.: Univ. Pr. of America, 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Halle, Louis J. The Search for an Eternal Norm: As Represented by Three Classics. Univ. Pr. of America, 1981.
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