Buzzell, R. D., & Nourse, R. E. M. (1967). Product innovation in food processing, 1954-1964. Division of Research, Graduate School of Business Administration, Harvard University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Buzzell, Robert D., و Robert E. M. Nourse. Product Innovation in Food Processing, 1954-1964. Boston: Division of Research, Graduate School of Business Administration, Harvard University, 1967.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Buzzell, Robert D., و Robert E. M. Nourse. Product Innovation in Food Processing, 1954-1964. Division of Research, Graduate School of Business Administration, Harvard University, 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.