Brownlee, K. A. (1952). Industrial experimentation (4th ed.). Chemical Pub.
Lua i Stíl Chicago (17ú heag.)Brownlee, Kenneth Alexander. Industrial Experimentation. 4th ed. New York: Chemical Pub, 1952.
Lua MLA (9ú heag.)Brownlee, Kenneth Alexander. Industrial Experimentation. 4th ed. Chemical Pub, 1952.
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