Wells, E. (1718). The young gentleman's astronomy, chronology, and dialling: Containing such elements of the said arts or sciences, as are most useful and easy to be known (The second edition.). Printed for J. Knapton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wells, Edward. The Young Gentleman's Astronomy, Chronology, and Dialling: Containing Such Elements of the Said Arts or Sciences, as Are Most Useful and Easy to Be Known. The second edition. London: Printed for J. Knapton, 1718.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wells, Edward. The Young Gentleman's Astronomy, Chronology, and Dialling: Containing Such Elements of the Said Arts or Sciences, as Are Most Useful and Easy to Be Known. The second edition. Printed for J. Knapton, 1718.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.