Ganss, G. E. (1977). Jesuit religious life today: The principal features of its spirit, in excerpts from papal documents, St. Ignatius' Constitutions, the 31st and 32nd General Congregations, and letters of Father General Pedro Arrupe. Institute of Jesuit Sources.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ganss, George E. Jesuit Religious Life Today: The Principal Features of Its Spirit, in Excerpts from Papal Documents, St. Ignatius' Constitutions, the 31st and 32nd General Congregations, and Letters of Father General Pedro Arrupe. St. Louis: Institute of Jesuit Sources, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ganss, George E. Jesuit Religious Life Today: The Principal Features of Its Spirit, in Excerpts from Papal Documents, St. Ignatius' Constitutions, the 31st and 32nd General Congregations, and Letters of Father General Pedro Arrupe. Institute of Jesuit Sources, 1977.