Listfield, R., & Negret, F. M. (1995). Payment systems in Latin America: a tale of two countries: Colombia and El Salvador. World Bank.
芝加哥风格引文Listfield, Robert, 与 Fernando Montes Negret. Payment Systems in Latin America: A Tale of Two Countries: Colombia and El Salvador. Washington, D.C: World Bank, 1995.
MLA引文Listfield, Robert, 与 Fernando Montes Negret. Payment Systems in Latin America: A Tale of Two Countries: Colombia and El Salvador. World Bank, 1995.
警告：这些引文格式不一定是100％准确.