Gunther, R. C. (1978). Management methodology for software product engineering. Wiley.
Lua i Stíl Chicago (17ú heag.)Gunther, Richard C. Management Methodology for Software Product Engineering. New York: Wiley, 1978.
Lua MLA (9ú heag.)Gunther, Richard C. Management Methodology for Software Product Engineering. Wiley, 1978.
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