Day, D., & Sicius, F. J. (2004). Peter Maurin: Apostle to the world. Orbis Books.
Lua i Stíl Chicago (17ú heag.)Day, Dorothy, agus Francis J. Sicius. Peter Maurin: Apostle to the World. Maryknoll, N.Y.: Orbis Books, 2004.
Lua MLA (8ú heag.)Day, Dorothy, agus Francis J. Sicius. Peter Maurin: Apostle to the World. Orbis Books, 2004.
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