Humphrey, D. B. (1995). Payment systems: Principles, practice, and improvements. Washington, D.C.: The World Bank.
Chicago Style CitationHumphrey, David B. Payment Systems: Principles, Practice, and Improvements. Washington, D.C.: The World Bank, 1995.
MLA CitationHumphrey, David B. Payment Systems: Principles, Practice, and Improvements. Washington, D.C.: The World Bank, 1995.
Warning: These citations may not always be 100% accurate.