Lua APA (7ú heag.)

DAVIS MARK M. (2005). OPERATIONS MANAGEMENT-CD (5TH.). MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

DAVIS MARK M. OPERATIONS MANAGEMENT-CD. 5TH. BOSTON: MCGRAW-HILL, 2005.

Lua MLA (9ú heag.)

DAVIS MARK M. OPERATIONS MANAGEMENT-CD. 5TH. MCGRAW-HILL, 2005.

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