Perez, A. (2013). Voice over LTE: EPS and IMS networks. ISTE Ltd/John Wiley and Sons Inc.
Lua i Stíl Chicago (17ú heag.)Perez, Andre. Voice over LTE: EPS and IMS Networks. Hoboken, NJ: ISTE Ltd/John Wiley and Sons Inc, 2013.
Lua MLA (9ú heag.)Perez, Andre. Voice over LTE: EPS and IMS Networks. ISTE Ltd/John Wiley and Sons Inc, 2013.
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