O'Connell, J. J. (1904). In Defense of Religion and the Dignity of Labor or Can There Be True Morality Without Christian Religion in Any System of Education? Pottsville, Pa..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিO'Connell, Joseph J. In Defense of Religion and the Dignity of Labor or Can There Be True Morality Without Christian Religion in Any System of Education? Pottsville, Pa., 1904.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিO'Connell, Joseph J. In Defense of Religion and the Dignity of Labor or Can There Be True Morality Without Christian Religion in Any System of Education? Pottsville, Pa., 1904.
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