Cita APA (7a ed.)
Ralph, D., & Graham, P. (2004). MMS: Technologies, usage, and business models. John Wiley.
Cita Chicago Style (17a ed.)
Ralph, Daniel, y Paul Graham. MMS: Technologies, Usage, and Business Models. Southern Gate, Chichester, West Sussex, England ; Hoboken, NJ: John Wiley, 2004.
Cita MLA (9a ed.)
Ralph, Daniel, y Paul Graham. MMS: Technologies, Usage, and Business Models. John Wiley, 2004.
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