Purdy, S., & Foster, H. (2016). Musical theatre song: A comprehensive course in selection, preparation and presentation for the modern performer. Bloomsbury Methuen Drama.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Purdy, Stephen, و Hunter Foster. Musical Theatre Song: A Comprehensive Course in Selection, Preparation and Presentation for the Modern Performer. London: Bloomsbury Methuen Drama, 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Purdy, Stephen, و Hunter Foster. Musical Theatre Song: A Comprehensive Course in Selection, Preparation and Presentation for the Modern Performer. Bloomsbury Methuen Drama, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.