Tohutoro APA (7th ed.)
Burroughs, W. S. (1994). Nova express: Romanzo (Nuova ed.). Sugarco.
Tohutoru Kātū Chicago (17th ed.)
Burroughs, William S. Nova Express: Romanzo. Nuova ed. Carnago: Sugarco, 1994.
Tohutoro MLA (9th ed.)
Burroughs, William S. Nova Express: Romanzo. Nuova ed. Sugarco, 1994.
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