Dilworth, T. (1938). The schoolmasters assistant: being a compendium of arithmetic, both practical and theoretical: In 5 parts. Scott, Foresman.
Chicago-Zitierstil (17. Ausg.)Dilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical: In 5 Parts. New York: Scott, Foresman, 1938.
MLA-Zitierstil (9. Ausg.)Dilworth, Thomas. The Schoolmasters Assistant: Being a Compendium of Arithmetic, Both Practical and Theoretical: In 5 Parts. Scott, Foresman, 1938.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.