Não informado. (1955). International Index: A guide to periodical literature in the social sciences and humanities. H. W. Wilson.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. International Index: A Guide to Periodical Literature in the Social Sciences and Humanities. New York: H. W. Wilson, 1955.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. International Index: A Guide to Periodical Literature in the Social Sciences and Humanities. H. W. Wilson, 1955.
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