Sydenham, P. H., & Thorn, R. (1992). Handbook of measurement science. Wiley.
Lua i Stíl Chicago (17ú heag.)Sydenham, P. H., agus Richard Thorn. Handbook of Measurement Science. Chichester ; New York: Wiley, 1992.
Lua MLA (9ú heag.)Sydenham, P. H., agus Richard Thorn. Handbook of Measurement Science. Wiley, 1992.
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