Oke, J., & Heller, J. (2003). Once upon a summer: Seasons of the heart (oke) series, book 1 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOke, Janette, और Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOke, Janette, और Johnny Heller. Once upon a Summer: Seasons of the Heart (oke) Series, Book 1. Unabridged. Recorded Books Inc., 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.