WHELWRIGHT, S. C. (1992). Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)WHELWRIGHT, Steven C. Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)WHELWRIGHT, Steven C. Revolutionizing Product Development Quantum Leaps In Speed, Efficiency And Quality Steven C. Whelwright And Kim B. Clark. the Free Press, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.