Gulley, P., & Dietz, N. (2006). Life goes on: Harmony (gulley) series, book 5 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGulley, Philip, और Norman Dietz. Life Goes on: Harmony (gulley) Series, Book 5. Unabridged. Prince Frederick: Recorded Books Inc., 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGulley, Philip, और Norman Dietz. Life Goes on: Harmony (gulley) Series, Book 5. Unabridged. Recorded Books Inc., 2006.
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