Beekum, J. v. (1996). Sounds from Italy: I tre Tenori. For Band, mixed Choir or solo voice ad lib. / Arr. von Jan van Beekum. Molenaar Edition.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeekum, Jan van. Sounds from Italy: I Tre Tenori. For Band, Mixed Choir or Solo Voice Ad Lib. / Arr. Von Jan Van Beekum. Wormerveer (NL): Molenaar Edition, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeekum, Jan van. Sounds from Italy: I Tre Tenori. For Band, Mixed Choir or Solo Voice Ad Lib. / Arr. Von Jan Van Beekum. Molenaar Edition, 1996.
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