Eckman, D. P. (1961). Systems: Research and design : proceedings of the 1st systems symposium at Case institute of technology ([1st ed.].). John Wiley & Sons.
Citace podle Chicago (17th ed.)Eckman, Donald P. Systems: Research and Design : Proceedings of the 1st Systems Symposium at Case Institute of Technology. [1st ed.]. New York: John Wiley & Sons, 1961.
Citace podle MLA (9th ed.)Eckman, Donald P. Systems: Research and Design : Proceedings of the 1st Systems Symposium at Case Institute of Technology. [1st ed.]. John Wiley & Sons, 1961.
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