Treacy, G. C. (1946). Industry at the crossroads: A handbook on industrial relations based on the social encyclicals of Pope Leo XIII and Pope Pius XI. Paulist Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Treacy, Gerald C. Industry at the Crossroads: A Handbook on Industrial Relations Based on the Social Encyclicals of Pope Leo XIII and Pope Pius XI. New York: Paulist Press, 1946.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Treacy, Gerald C. Industry at the Crossroads: A Handbook on Industrial Relations Based on the Social Encyclicals of Pope Leo XIII and Pope Pius XI. Paulist Press, 1946.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.