Stowell, F. A., & Welch, C. E. (2012). The manager's guide to systems practice: Making sense of complex problems. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Stowell, Frank A., agus Christine Elizabeth Welch. The Manager's Guide to Systems Practice: Making Sense of Complex Problems. Chichester: John Wiley & Sons, 2012.
Lua MLA (9ú heag.)Stowell, Frank A., agus Christine Elizabeth Welch. The Manager's Guide to Systems Practice: Making Sense of Complex Problems. John Wiley & Sons, 2012.
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