APA Style
Shepard, Steven, Shapin, Steven. ().
Voice Over IP Crash Course .
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Chicago Style
Shepard, Steven, Shapin, Steven.
Voice Over IP Crash Course.
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MLA Style
Shepard, Steven, Shapin, Steven.
Voice Over IP Crash Course.
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Turabian Style
Shepard, Steven, Shapin, Steven.
Voice Over IP Crash Course.
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.