MOEN, R. M. (1991). Improving Quality Trough Planned Experimentation Ronald D. Moen, Thomas W. Nolan, Leyod P. Provost. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)MOEN, Ronald M. Improving Quality Trough Planned Experimentation Ronald D. Moen, Thomas W. Nolan, Leyod P. Provost. McGraw-Hill, 1991.
Lua MLA (8ú heag.)MOEN, Ronald M. Improving Quality Trough Planned Experimentation Ronald D. Moen, Thomas W. Nolan, Leyod P. Provost. McGraw-Hill, 1991.
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