Lua APA (7ú heag.)

O’connell, B., & O’connell, F. (2021). Happier Than Ever. Universal Music Publishing Group.

Lua i Stíl Chicago (17ú heag.)

O’connell, Billie, agus Finneas O’connell. Happier Than Ever. California, United States: Universal Music Publishing Group, 2021.

Lua MLA (9ú heag.)

O’connell, Billie, agus Finneas O’connell. Happier Than Ever. Universal Music Publishing Group, 2021.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.