Dreyer, J. L. E. (1953). A history of astronomy from Thales to Kepler: Formerly titled History of the planetary systems from Thales to Kepler. Dover Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dreyer, J. L. E. A History of Astronomy from Thales to Kepler: Formerly Titled History of the Planetary Systems from Thales to Kepler. [New York]: Dover Publications, 1953.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Dreyer, J. L. E. A History of Astronomy from Thales to Kepler: Formerly Titled History of the Planetary Systems from Thales to Kepler. Dover Publications, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.