Hassett, J. J., & Lacey, H. (1991). Towards a society that serves its people: The intellectual contribution of El Salvador's murdered Jesuits. Georgetown University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hassett, John J., و Hugh Lacey. Towards a Society That Serves Its People: The Intellectual Contribution of El Salvador's Murdered Jesuits. Washington, D.C.: Georgetown University Press, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hassett, John J., و Hugh Lacey. Towards a Society That Serves Its People: The Intellectual Contribution of El Salvador's Murdered Jesuits. Georgetown University Press, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.