Chapman, J. L. (2017). Singing and teaching singing: A holistic approach to classical voice (Third edition.). Plural Publishing.
Lua i Stíl Chicago (17ú heag.)Chapman, Janice L. Singing and Teaching Singing: A Holistic Approach to Classical Voice. Third edition. San Diego, CA: Plural Publishing, 2017.
Lua MLA (9ú heag.)Chapman, Janice L. Singing and Teaching Singing: A Holistic Approach to Classical Voice. Third edition. Plural Publishing, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.