Stevens, F. L., Butler, T., & Stevens, A. T. C. (1910). A practical arithmetic. Charles Scribner's Sons.
Lua i Stíl Chicago (17ú heag.)Stevens, F. L., Tait Butler, agus A. T. Chapman Stevens. A Practical Arithmetic. New York: Charles Scribner's Sons, 1910.
Lua MLA (9ú heag.)Stevens, F. L., et al. A Practical Arithmetic. Charles Scribner's Sons, 1910.
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