Harris, R. (1956). They say that Susan has no heart for learning: For three-part chorus for women's voices with piano accompaniment. Associated Music Pub.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harris, Roy. They Say That Susan Has No Heart for Learning: For Three-part Chorus for Women's Voices with Piano Accompaniment. New York: Associated Music Pub, 1956.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Harris, Roy. They Say That Susan Has No Heart for Learning: For Three-part Chorus for Women's Voices with Piano Accompaniment. Associated Music Pub, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.