توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
Brown, C. E., & Ayuso, R. A. (1985). Significance of Tourmaline-rich rocks in the Grenville Complex of St. Lawrence County, New York: A study of Tourmaline compositions and their possible use as indices of mineralization. U.S. Geological Survey.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
Brown, C. Ervin, و Robert A. Ayuso. Significance of Tourmaline-rich Rocks in the Grenville Complex of St. Lawrence County, New York: A Study of Tourmaline Compositions and Their Possible Use as Indices of Mineralization. Washington: U.S. Geological Survey, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
Brown, C. Ervin, و Robert A. Ayuso. Significance of Tourmaline-rich Rocks in the Grenville Complex of St. Lawrence County, New York: A Study of Tourmaline Compositions and Their Possible Use as Indices of Mineralization. U.S. Geological Survey, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.