Stone, I. (1978). The agony and the ecstasy: A biographical novel of Michelangelo / Irving Stone (15. Auflage.). Fontana.
Lua i Stíl Chicago (17ú heag.)Stone, Irving. The Agony and the Ecstasy: A Biographical Novel of Michelangelo / Irving Stone. 15. Auflage. Glasgow: Fontana, 1978.
Lua MLA (8ú heag.)Stone, Irving. The Agony and the Ecstasy: A Biographical Novel of Michelangelo / Irving Stone. 15. Auflage. Fontana, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.