Cita APA (7th ed.)

Guadamillas, M., & Keppler, R. (2001). Securities clearance and settlement systems: A guide to best practices. World Bank.

Cita Chicago (17th ed.)

Guadamillas, Mario, i Robert Keppler. Securities Clearance and Settlement Systems: A Guide to Best Practices. Washington, D.C: World Bank, 2001.

Cita MLA (9th ed.)

Guadamillas, Mario, i Robert Keppler. Securities Clearance and Settlement Systems: A Guide to Best Practices. World Bank, 2001.