APA-viite (7. p.)

Gershwin, G., & Kalke, E. (2009). An American in Paris: The four themes / George Gershwin. Arr. for string quartet by Ernst-Thilo Kalke (For 2 violins, viola (or 3. violin) and violoncello.). Ed. Walhall.

Chicago-viite (17. p.)

Gershwin, George, ja Ernst-Thilo Kalke. An American in Paris: The Four Themes / George Gershwin. Arr. for String Quartet by Ernst-Thilo Kalke. For 2 violins, viola (or 3. violin) and violoncello. Magdeburg: Ed. Walhall, 2009.

MLA-viite (8. p.)

Gershwin, George, ja Ernst-Thilo Kalke. An American in Paris: The Four Themes / George Gershwin. Arr. for String Quartet by Ernst-Thilo Kalke. For 2 violins, viola (or 3. violin) and violoncello. Ed. Walhall, 2009.