Avi & McDonough, J. (2013). Ereth's birthday (Unabridged.). Recorded Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAvi और John McDonough. Ereth's Birthday. Unabridged. Prince Frederick: Recorded Books, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAvi और John McDonough. Ereth's Birthday. Unabridged. Recorded Books, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.