Lua APA (7ú heag.)

MacDowell, E. (1901). 4. Sonata: (Keltic) ; op. 59 / Edward MacDowell. Schott.

Lua i Stíl Chicago (17ú heag.)

MacDowell, Edward. 4. Sonata: (Keltic) ; Op. 59 / Edward MacDowell. Mainz [u.a.]: Schott, 1901.

Lua MLA (8ú heag.)

MacDowell, Edward. 4. Sonata: (Keltic) ; Op. 59 / Edward MacDowell. Schott, 1901.

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