Dilworth, T. (1781). The schoolmasters assistant: Being a compendium of arithmetic, both practical and theoretical. In five parts. Philadelphia: Printed and sold by R. Aitken.
Chicago Style CitationDilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical. In Five Parts. Philadelphia: Printed and sold by R. Aitken, 1781.
MLA CitationDilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical. In Five Parts. Philadelphia: Printed and sold by R. Aitken, 1781.