APA (7 ম সংস্করণ) উদ্ধৃতি

Christy, V. A., & Paton, J. G. (2002). Foundations in singing: A basic textbook in vocal technique and song interpretation (7th ed.). McGraw-Hill.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Christy, Van Ambrose, এবং John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 7th ed. Boston: McGraw-Hill, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Christy, Van Ambrose, এবং John Glenn Paton. Foundations in Singing: A Basic Textbook in Vocal Technique and Song Interpretation. 7th ed. McGraw-Hill, 2002.