TY  - BOOK
AU  - Summers,Bruce J.
TI  - The payment system: design, management, and supervision 
SN  - 1-55775-386-5
AV  - HG3892 P39
PY  - 1994///
CY  - Washington, D. C.
PB  - International Monetary Fund
N1  - Incluye bibliografia
ER  -