Vogel Sawyer, K., & Birmingham, L. (2012). Song of my heart (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVogel Sawyer, Kim, और Laurie Birmingham. Song of My Heart. Unabridged. Prince Frederick: Recorded Books Inc., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVogel Sawyer, Kim, और Laurie Birmingham. Song of My Heart. Unabridged. Recorded Books Inc., 2012.
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