Dilworth, T. (1784). The schoolmasters assistant: Being a compendium of arithmetic, both practical and theoretical. In five parts. ... To which is prefixt, An essay on the education of youth; ... (The Twenty-second edition.). Printed and sold by Richard and Henry Causton ...
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical. In Five Parts. ... To Which Is Prefixt, An Essay on the Education of Youth; ... The Twenty-second edition. London: Printed and sold by Richard and Henry Causton .., 1784.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Dilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical. In Five Parts. ... To Which Is Prefixt, An Essay on the Education of Youth; ... The Twenty-second edition. Printed and sold by Richard and Henry Causton .., 1784.