Streit, R. (1927). Catholic missions in figures and symbols: Based on the Vatican Missionary Exhibition. Society for the Propagation of the Faith.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Streit, Robert. Catholic Missions in Figures and Symbols: Based on the Vatican Missionary Exhibition. [s.l.]: Society for the Propagation of the Faith, 1927.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Streit, Robert. Catholic Missions in Figures and Symbols: Based on the Vatican Missionary Exhibition. Society for the Propagation of the Faith, 1927.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.