Turner, P. S., & Wunnicke, D. B. (2003). Managing the risks of payment systems. John Wiley.
Lua i Stíl Chicago (17ú heag.)Turner, Paul S., agus Diane B. Wunnicke. Managing the Risks of Payment Systems. Hoboken, NJ: John Wiley, 2003.
Lua MLA (8ú heag.)Turner, Paul S., agus Diane B. Wunnicke. Managing the Risks of Payment Systems. John Wiley, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.