APA-viite (7. p.)
ebrary, Inc, & Minessale, A. (2013). FreeSWITCH 1.2: Build robust, high-performance telephony systems using FreeSWITCH (2nd ed.). Packt Pub..
Chicago-viite (17. p.)
ebrary, Inc, ja Anthony Minessale. FreeSWITCH 1.2: Build Robust, High-performance Telephony Systems Using FreeSWITCH. 2nd ed. Birmingham: Packt Pub., 2013.
MLA-viite (9. p.)
ebrary, Inc, ja Anthony Minessale. FreeSWITCH 1.2: Build Robust, High-performance Telephony Systems Using FreeSWITCH. 2nd ed. Packt Pub., 2013.
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