Beazley, D. M. (2009). Python essential reference (4th ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Beazley, David M. Python Essential Reference. 4th ed. Upper Saddle River, NJ: Addison-Wesley, 2009.
Lua MLA (8ú heag.)Beazley, David M. Python Essential Reference. 4th ed. Addison-Wesley, 2009.
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