Eckinman, D. P. (1961). Systems Research and Design: Proceedings of the first systems symposium at case institute of technology. New York: John Wiley and Sons Inc...Publishers.
Trích dẫn kiểu ChicagoEckinman, Donald P. Systems Research and Design: Proceedings of the First Systems Symposium At Case Institute of Technology. New York: John Wiley and Sons Inc...Publishers, 1961.
Trích dẫn MLAEckinman, Donald P. Systems Research and Design: Proceedings of the First Systems Symposium At Case Institute of Technology. New York: John Wiley and Sons Inc...Publishers, 1961.
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