Não informado. (1958). Italian Books and Periodicals. Istituto Poligrafico e Zecca dello Stato.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Italian Books and Periodicals. Roma: Istituto Poligrafico e Zecca dello Stato, 1958.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Italian Books and Periodicals. Istituto Poligrafico e Zecca dello Stato, 1958.
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