Hurrell, C. E. (1966). Echo of Romany: For Eb baritone saxophone with piano accompaniment. Rubank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHurrell, Clarence E. Echo of Romany: For Eb Baritone Saxophone with Piano Accompaniment. Chicago: Rubank, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHurrell, Clarence E. Echo of Romany: For Eb Baritone Saxophone with Piano Accompaniment. Rubank, 1966.
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