Lua APA (7ú heag.)

Certo, S. C. (2003). Modern management: Adding digital focus (9th ed.). Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Upper Saddle River, NJ: Prentice Hall, 2003.

Lua MLA (8ú heag.)

Certo, Samuel C. Modern Management: Adding Digital Focus. 9th ed. Prentice Hall, 2003.

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