Arevalo, C. G. (1959). Some aspects of the theology of the Mystical Body of Christ in the ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the mid-nineteenth century. Pontificiae Universitatis Gregoriana.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিArevalo, C. G. Some Aspects of the Theology of the Mystical Body of Christ in the Ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the Mid-nineteenth Century. Romae: Pontificiae Universitatis Gregoriana, 1959.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিArevalo, C. G. Some Aspects of the Theology of the Mystical Body of Christ in the Ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the Mid-nineteenth Century. Pontificiae Universitatis Gregoriana, 1959.