Lennon, J. (1986). Skywriting by word of mouth, and other writings, including The ballad of John and Yoko. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Lennon, John. Skywriting by Word of Mouth, and Other Writings, Including The Ballad of John and Yoko. New York: Harper & Row, 1986.
Lua MLA (9ú heag.)Lennon, John. Skywriting by Word of Mouth, and Other Writings, Including The Ballad of John and Yoko. Harper & Row, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.