Chakravarty, A. (1975). Cost accountants elementory statistics. Bani.
Lua i Stíl Chicago (17ú heag.)Chakravarty, A. Cost Accountants Elementory Statistics. Calcutta: Bani, 1975.
Lua MLA (9ú heag.)Chakravarty, A. Cost Accountants Elementory Statistics. Bani, 1975.
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