Mattessich, R. (1978). Instrumental reasoning and systems methodology: An epistemology of the applied and social science. D. Reidel Publishing Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMattessich, Richard. Instrumental Reasoning and Systems Methodology: An Epistemology of the Applied and Social Science. D. Reidel Publishing Co, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMattessich, Richard. Instrumental Reasoning and Systems Methodology: An Epistemology of the Applied and Social Science. D. Reidel Publishing Co, 1978.
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