Prince. John T. (1893). Arithmetic by grades for inductive teaching, drilling and testing Book number two. Numbers from 1 to 100. Ginn and Co.
Citazione stile Chigago Style (17a edizione)Prince. John T. Arithmetic by Grades for Inductive Teaching, Drilling and Testing Book Number Two. Numbers from 1 to 100. Boston-New York: Ginn and Co, 1893.
Citatione MLA (9a ed.)Prince. John T. Arithmetic by Grades for Inductive Teaching, Drilling and Testing Book Number Two. Numbers from 1 to 100. Ginn and Co, 1893.
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