Froehlich, H. C., & Smith, G. D. Sociology for music teachers: Practical applications.
Lua i Stíl Chicago (17ú heag.)Froehlich, Hildegard C., agus Gareth Dylan Smith. Sociology for Music Teachers: Practical Applications.
Lua MLA (9ú heag.)Froehlich, Hildegard C., agus Gareth Dylan Smith. Sociology for Music Teachers: Practical Applications.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.