Lua APA (7ú heag.)

LEVANTHAL , L. .. (1976). PRODUCTION CONCEPTS ANALYSIS CONTROL. CHARLES E. MERILL PUB. CO.

Lua i Stíl Chicago (17ú heag.)

LEVANTHAL , L .A. PRODUCTION CONCEPTS ANALYSIS CONTROL. OHIO: CHARLES E. MERILL PUB. CO, 1976.

Lua MLA (9ú heag.)

LEVANTHAL , L .A. PRODUCTION CONCEPTS ANALYSIS CONTROL. CHARLES E. MERILL PUB. CO, 1976.

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