Roncarolo, R. R. (1980). A strategy for the presentation of the principles of christian stewardship to the Seventh-day Adventist Ministry churches in South America. Andrews University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roncarolo, Roberto R. A Strategy for the Presentation of the Principles of Christian Stewardship to the Seventh-day Adventist Ministry Churches in South America. Andrews University, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Roncarolo, Roberto R. A Strategy for the Presentation of the Principles of Christian Stewardship to the Seventh-day Adventist Ministry Churches in South America. Andrews University, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.