Bussche, J. v. (1991). Ignatius George Spencer, Passionist (1799-1864): Crusader of prayer for England and pioneer of ecumenical prayer. University Press : Peeters.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBussche, Jozef vanden. Ignatius George Spencer, Passionist (1799-1864): Crusader of Prayer for England and Pioneer of Ecumenical Prayer. Leuven: University Press : Peeters, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBussche, Jozef vanden. Ignatius George Spencer, Passionist (1799-1864): Crusader of Prayer for England and Pioneer of Ecumenical Prayer. University Press : Peeters, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.