Lua APA (7ú heag.)

United States. Bureau of Labor Statistics. (1966). Unit labor cost in manufacturing trends in nine countries 1950-65.

Lua i Stíl Chicago (17ú heag.)

United States. Bureau of Labor Statistics. Unit Labor Cost in Manufacturing Trends in Nine Countries 1950-65. Washington, D.C, 1966.

Lua MLA (9ú heag.)

United States. Bureau of Labor Statistics. Unit Labor Cost in Manufacturing Trends in Nine Countries 1950-65. 1966.

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