Lua APA (7ú heag.)

Smith, T. J. (2015). Variability in human performance. CRC Press.

Lua i Stíl Chicago (17ú heag.)

Smith, Thomas Jay. Variability in Human Performance. Boca Raton: CRC Press, 2015.

Lua MLA (9ú heag.)

Smith, Thomas Jay. Variability in Human Performance. CRC Press, 2015.

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