Παραπομπή APA
Sheppard, J. W., & Simpson, W. R. (1998). Research perspectives and case studies in system test and diagnosis. Boston: Kluwer Academic Pub..
Παραπομπή Chicago StyleSheppard, John W., and William Randolph Simpson. Research Perspectives and Case Studies in System Test and Diagnosis. Boston: Kluwer Academic Pub., 1998.
Παραπομπή MLASheppard, John W., and William Randolph Simpson. Research Perspectives and Case Studies in System Test and Diagnosis. Boston: Kluwer Academic Pub., 1998.
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