Pervan, V. M. (1975). Quantitative methods for business students. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pervan, V. M. Quantitative Methods for Business Students. Sydney: McGraw-Hill, 1975.
Lua MLA (8ú heag.)Pervan, V. M. Quantitative Methods for Business Students. McGraw-Hill, 1975.
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