Monroe, M., & Free, K. R. (2002). The upper room: Mama ruby series, book 1 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMonroe, Mary, और Kevin R. Free. The Upper Room: Mama Ruby Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMonroe, Mary, और Kevin R. Free. The Upper Room: Mama Ruby Series, Book 1. Unabridged. Recorded Books Inc., 2002.
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