Lua APA (7ú heag.)

PAUL JASTIN. (2011). BUSINESS ENVIRONMENT: TEXT AND CASES (3rd.). TATA MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

PAUL JASTIN. BUSINESS ENVIRONMENT: TEXT AND CASES. 3rd. NEW DELHI: TATA MCGRAW-HILL, 2011.

Lua MLA (9ú heag.)

PAUL JASTIN. BUSINESS ENVIRONMENT: TEXT AND CASES. 3rd. TATA MCGRAW-HILL, 2011.

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