Cita APA (7a ed.)
Kelty, C. M. (2008). Two Bits: The Cultural Significance of Free Software. Duke University.
Cita estilo Chicago (17a ed.)
Kelty, Christopher M. Two Bits: The Cultural Significance of Free Software. Durham, EUA: Duke University, 2008.
Cita MLA (9a ed.)
Kelty, Christopher M. Two Bits: The Cultural Significance of Free Software. Duke University, 2008.
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