Black, K. (2013). Applied Business Statistics (7th.). Wiley India Pvt Ltd.
Lua i Stíl Chicago (17ú heag.)Black, Ken. Applied Business Statistics. 7th. New Delhi: Wiley India Pvt Ltd, 2013.
Lua MLA (9ú heag.)Black, Ken. Applied Business Statistics. 7th. Wiley India Pvt Ltd, 2013.
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