APA (7. basım) Alıntı
Williams, B., & Hummelbrunner, R. (2009). Systems concepts in action: A practitioner's toolkit. Stanford Business Books.
Chicago Style (17. basım) Atıf
Williams, Bob, ve Richard Hummelbrunner. Systems Concepts in Action: A Practitioner's Toolkit. Stanford, Calif.: Stanford Business Books, 2009.
MLA (9th ed.) Atıf
Williams, Bob, ve Richard Hummelbrunner. Systems Concepts in Action: A Practitioner's Toolkit. Stanford Business Books, 2009.
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