Lua APA (7ú heag.)

Keller, G. (2018). Statistics for management and economics (Onceava edición.). Cengage Learning.

Lua i Stíl Chicago (17ú heag.)

Keller, Gerald. Statistics for Management and Economics. Onceava edición. Boston: Cengage Learning, 2018.

Lua MLA (8ú heag.)

Keller, Gerald. Statistics for Management and Economics. Onceava edición. Cengage Learning, 2018.

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