Stummer, A. (2010). Christmas with the Vienna Boys´ Choir: A joyous live holiday performance by the world famous choir. Cobra Entertainment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStummer, Alfons. Christmas with the Vienna Boys´ Choir: A Joyous Live Holiday Performance by the World Famous Choir. Vienna: Cobra Entertainment, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStummer, Alfons. Christmas with the Vienna Boys´ Choir: A Joyous Live Holiday Performance by the World Famous Choir. Cobra Entertainment, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.