Lua APA (7ú heag.)

Sutermeister, R. A. (1963). People and productivity. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Sutermeister, Robert A. People and Productivity. New York: McGraw-Hill, 1963.

Lua MLA (9ú heag.)

Sutermeister, Robert A. People and Productivity. McGraw-Hill, 1963.

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