Piano Guys (Musical group). (2013). The Piano guys 2. Portrait/Sony Masterworks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiano Guys (Musical group). The Piano Guys 2. New York: Portrait/Sony Masterworks, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPiano Guys (Musical group). The Piano Guys 2. Portrait/Sony Masterworks, 2013.
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