Lua APA (7ú heag.)

LEVIN RICHARD I. (2013). STATISTICS FOR MANAGEMENT (7th.). PEARSON.

Lua i Stíl Chicago (17ú heag.)

LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 7th. NOIDA: PEARSON, 2013.

Lua MLA (9ú heag.)

LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 7th. PEARSON, 2013.

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