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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gershwin, George, و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gershwin, George, و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.