Tohutoro APA (7th ed.)
Pérez Gay, R. Paraísos duros de roer. Booket.
Tohutoru Kātū Chicago (17th ed.)
Pérez Gay, Rafael. Paraísos Duros De Roer. México: Booket.
Tohutoro MLA (9th ed.)
Pérez Gay, Rafael. Paraísos Duros De Roer. Booket.
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