Dorr, D. 1. a. (1992). Option for the poor: A hundred years of Vatican Social teaching. Gill and Macmillan.
Cita Chicago Style (17a ed.)Dorr, Donal 1935- autor. Option for the Poor: A Hundred Years of Vatican Social Teaching. Dublin: Gill and Macmillan, 1992.
Cita MLA (9a ed.)Dorr, Donal 1935- autor. Option for the Poor: A Hundred Years of Vatican Social Teaching. Gill and Macmillan, 1992.
Precaución: Estas citas no son 100% exactas.