Fox, E. (1993). SigmaPlot: Scientific graphing software for Windows : user's manual. Erkrath, Germany: Jandel Scientific.
Čikaški stil citiranjaFox, Emma. SigmaPlot: Scientific Graphing Software for Windows : User's Manual. Erkrath, Germany: Jandel Scientific, 1993.
MLA način citiranjaFox, Emma. SigmaPlot: Scientific Graphing Software for Windows : User's Manual. Erkrath, Germany: Jandel Scientific, 1993.
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