Shelton, R. (2007). The last person to hear your voice. University of Pittsburgh Press.
Chicago-čujuhus (17. p.)Shelton, Richard. The Last Person to Hear Your Voice. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2007.
MLA-čujuhus (9. p.)Shelton, Richard. The Last Person to Hear Your Voice. University of Pittsburgh Press, 2007.
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