Summers, B. (1994). The Payment System: Design, Management, and Supervision. International Monetary Fund.
Chicago-referens (17:e uppl.)Summers, Bruce. The Payment System: Design, Management, and Supervision. Washington, D.C.: International Monetary Fund, 1994.
MLA-referens (8:e uppl.)Summers, Bruce. The Payment System: Design, Management, and Supervision. International Monetary Fund, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.