Tohutoro APA (7th ed.)
Freud, S. (1995). Coca e cocaina (Ed. integrali.). Newton Compton.
Tohutoru Kātū Chicago (17th ed.)
Freud, Sigmund. Coca E Cocaina. Ed. integrali. Roma: Newton Compton, 1995.
Tohutoro MLA (9th ed.)
Freud, Sigmund. Coca E Cocaina. Ed. integrali. Newton Compton, 1995.
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