Tryon, L. (1999). Albert's birthday. Atheneum Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTryon, Leslie. Albert's Birthday. New York: Atheneum Books for Young Readers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTryon, Leslie. Albert's Birthday. Atheneum Books for Young Readers, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.