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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.