White, E. W. (1979). Tippett and his operas. Barnie and Jenkins.
Chicago-viite (17. p.)White, Eric Walter. Tippett and His Operas. London: Barnie and Jenkins, 1979.
MLA-viite (9. p.)White, Eric Walter. Tippett and His Operas. Barnie and Jenkins, 1979.
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