WHELWRIGHT, S. C. (1992). Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press.
Chicago-viite (17. p.)WHELWRIGHT, Steven C. Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press, 1992.
MLA-viite (8. p.)WHELWRIGHT, Steven C. Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press, 1992.
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