Sprague, C. E., & Perrine, L. L. (1914). The accountancty of investment. The Ronald press Co..
Lua i Stíl Chicago (17ú heag.)Sprague, Charles E., agus Leroy L. Perrine. The Accountancty of Investment. New York: The Ronald press Co., 1914.
Lua MLA (8ú heag.)Sprague, Charles E., agus Leroy L. Perrine. The Accountancty of Investment. The Ronald press Co., 1914.
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