Donnelly, W. P., & Xavier, A. (1956). Father Michael Pro, priest of the workingman ([2d ed.].). St. Anthony's Guild Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDonnelly, William Patrick, और Adro Xavier. Father Michael Pro, Priest of the Workingman. [2d ed.]. Paterson, N.J.: St. Anthony's Guild Press, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDonnelly, William Patrick, और Adro Xavier. Father Michael Pro, Priest of the Workingman. [2d ed.]. St. Anthony's Guild Press, 1956.
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