Richards, J. (2008). The chaos code (Pbk. ed.). Faber.
Lua i Stíl Chicago (17ú heag.)Richards, Justin. The Chaos Code. Pbk. ed. London: Faber, 2008.
Lua MLA (9ú heag.)Richards, Justin. The Chaos Code. Pbk. ed. Faber, 2008.
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