Croucher John S. (2011). Statistics: Making Business Decisions. Tata Mc Graw Hill Education Private Limited.
Lua i Stíl Chicago (17ú heag.)Croucher John S. Statistics: Making Business Decisions. Delhi: Tata Mc Graw Hill Education Private Limited, 2011.
Lua MLA (9ú heag.)Croucher John S. Statistics: Making Business Decisions. Tata Mc Graw Hill Education Private Limited, 2011.
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