Lua APA (7ú heag.)

JOHNSON, P. L. (1993). Iso 9000 Meeting The New International Standards Perry L. Johnson. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

JOHNSON, Perry L. Iso 9000 Meeting The New International Standards Perry L. Johnson. McGraw-Hill, 1993.

Lua MLA (8ú heag.)

JOHNSON, Perry L. Iso 9000 Meeting The New International Standards Perry L. Johnson. McGraw-Hill, 1993.

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