Sontag, P. J. (1951). Meditations for every day. The Bruce Publishing Company.
Lua i Stíl Chicago (17ú heag.)Sontag, Peter J. Meditations for Every Day. Milwaukee: The Bruce Publishing Company, 1951.
Lua MLA (8ú heag.)Sontag, Peter J. Meditations for Every Day. The Bruce Publishing Company, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.