Cunnington, S. (1904). The story of arithmetic: A short history of its origin and development. S. Sonnenschein.
Citace podle Chicago (17th ed.)Cunnington, Susan. The Story of Arithmetic: A Short History of Its Origin and Development. London: S. Sonnenschein, 1904.
Citace podle MLA (8th ed.)Cunnington, Susan. The Story of Arithmetic: A Short History of Its Origin and Development. S. Sonnenschein, 1904.
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