ROIG-FRANCOLI, M. A. (2020). Harmony in context. McGraw-Hill Education.
Lua i Stíl Chicago (17ú heag.)ROIG-FRANCOLI, Miguel A. Harmony in Context. McGraw-Hill Education, 2020.
Lua MLA (9ú heag.)ROIG-FRANCOLI, Miguel A. Harmony in Context. McGraw-Hill Education, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.