Hanke, J. E. (1986). Fundamentals of business statistics. Charles E. Merrill.
Lua i Stíl Chicago (17ú heag.)Hanke, John E. Fundamentals of Business Statistics. Charles E. Merrill, 1986.
Lua MLA (9ú heag.)Hanke, John E. Fundamentals of Business Statistics. Charles E. Merrill, 1986.
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