Lua APA (7ú heag.)

Pillai, M. (1974). Economic abd business statistics (2nd.). Progressive corp.

Lua i Stíl Chicago (17ú heag.)

Pillai, M. Economic Abd Business Statistics. 2nd. NULL: Progressive corp, 1974.

Lua MLA (9ú heag.)

Pillai, M. Economic Abd Business Statistics. 2nd. Progressive corp, 1974.

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