Lua APA (7ú heag.)

STEVENSON, W. J. OPERATIONS MANAGEMENT (13th.). MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

STEVENSON, WILLIAM J. OPERATIONS MANAGEMENT. 13th. NEW YORK: MCGRAW-HILL.

Lua MLA (9ú heag.)

STEVENSON, WILLIAM J. OPERATIONS MANAGEMENT. 13th. MCGRAW-HILL.

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