National Association of Teachers of Singing (U.S.). (1995). Journal of singing: The official journal of the National Association of Teachers of Singing. National Association of Teachers of Singing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Association of Teachers of Singing (U.S.). Journal of Singing: The Official Journal of the National Association of Teachers of Singing. Jacksonville, FL: National Association of Teachers of Singing, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Association of Teachers of Singing (U.S.). Journal of Singing: The Official Journal of the National Association of Teachers of Singing. National Association of Teachers of Singing, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.