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.
Lua i Stíl Chicago (17ú heag.)Bieler, Peter, agus 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.
Lua MLA (8ú heag.)Bieler, Peter, agus 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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.