MANSFIELD, E. Elementary statistic for economics and busines#Edited Edwin Mansfield. W.W. Norton & Company.
Lua i Stíl Chicago (17ú heag.)MANSFIELD, Edwin. Elementary Statistic for Economics and Busines#Edited Edwin Mansfield. W.W. Norton & Company.
Lua MLA (8ú heag.)MANSFIELD, Edwin. Elementary Statistic for Economics and Busines#Edited Edwin Mansfield. W.W. Norton & Company.
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