Bieler, P., & Costas, S. (1996). "This business has legs": How I used infomercial marketing to create the $100,000,000 Thighmaster craze exerciser : an entrepreneurial adventure story. John Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bieler, Peter, و Suzanne Costas. "This Business Has Legs": How I Used Infomercial Marketing to Create the $100,000,000 Thighmaster Craze Exerciser : An Entrepreneurial Adventure Story. New York: John Wiley, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bieler, Peter, و Suzanne Costas. "This Business Has Legs": How I Used Infomercial Marketing to Create the $100,000,000 Thighmaster Craze Exerciser : An Entrepreneurial Adventure Story. John Wiley, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.