Citazione Stile APA (7a Edizione)
Williams, B., & Hummelbrunner, R. (2009). Systems concepts in action: A practitioner's toolkit. Stanford Business Books.
Citazione stile Chigago Style (17a edizione)
Williams, Bob, e Richard Hummelbrunner. Systems Concepts in Action: A Practitioner's Toolkit. Stanford, Calif.: Stanford Business Books, 2009.
Citatione MLA (9a ed.)
Williams, Bob, e Richard Hummelbrunner. Systems Concepts in Action: A Practitioner's Toolkit. Stanford Business Books, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.