Fisher, F. M., & Shell, K. (1972). The economic theory of price indices: Two essays on the effects of taste, quality, and technological change. Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fisher, Franklin M., و Karl Shell. The Economic Theory of Price Indices: Two Essays on the Effects of Taste, Quality, and Technological Change. New York: Academic Press, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fisher, Franklin M., و Karl Shell. The Economic Theory of Price Indices: Two Essays on the Effects of Taste, Quality, and Technological Change. Academic Press, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.