Lennon, J., & Mccartney, P. (1969). Because. Alfred Publishing Co., Inc..
Lua i Stíl Chicago (17ú heag.)Lennon, John, agus Paul Mccartney. Because. Louisville, United States: Alfred Publishing Co., Inc., 1969.
Lua MLA (9ú heag.)Lennon, John, agus Paul Mccartney. Because. Alfred Publishing Co., Inc., 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.