Elgar, E. (1985). Variations: On an original theme (Enigma) for orchestra ; op. 36 / Edward Elgar. Eulenburg.
Lua i Stíl Chicago (17ú heag.)Elgar, Edward. Variations: On an Original Theme (Enigma) for Orchestra ; Op. 36 / Edward Elgar. London [u.a.]: Eulenburg, 1985.
Lua MLA (8ú heag.)Elgar, Edward. Variations: On an Original Theme (Enigma) for Orchestra ; Op. 36 / Edward Elgar. Eulenburg, 1985.
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