Writers and Scholars International. (1972). Index on Censorship. Writers and Scholars International.
Citazione stile Chigago Style (17a edizione)Writers and Scholars International. Index on Censorship. London: Writers and Scholars International, 1972.
Citatione MLA (9a ed.)Writers and Scholars International. Index on Censorship. Writers and Scholars International, 1972.
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