Stamperia del Santuccio, Merton, T., Migne, J., & Hammer, V. K. (1959). What ought I to do?: Sayings of the Desert Fathers. Stamperia del Santuccio.
Lua i Stíl Chicago (17ú heag.)Stamperia del Santuccio, Thomas Merton, J.-P Migne, agus Victor Karl Hammer. What Ought I to Do?: Sayings of the Desert Fathers. Lexington, Ky.: Stamperia del Santuccio, 1959.
Lua MLA (8ú heag.)Stamperia del Santuccio, et al. What Ought I to Do?: Sayings of the Desert Fathers. Stamperia del Santuccio, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.