Verdi, G. (1970). Four sacred pieces: For chorus with piano accompaniment. Belwin Mills.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVerdi, Giuseppe. Four Sacred Pieces: For Chorus with Piano Accompaniment. Melville, N.Y.: Belwin Mills, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVerdi, Giuseppe. Four Sacred Pieces: For Chorus with Piano Accompaniment. Belwin Mills, 1970.
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