Valdes, A., Ramos, H., & Schaeffer, B. (1996). Surveillance of agricultural price and trade policies: A handbook for Ecuador. World Bank.
Chicagoスタイル(17版)引用形式Valdes, Alberto, Hugo Ramos, , Barry Schaeffer. Surveillance of Agricultural Price and Trade Policies: A Handbook for Ecuador. Washington, D.C: World Bank, 1996.
MLA(9版)引用形式Valdes, Alberto, et al. Surveillance of Agricultural Price and Trade Policies: A Handbook for Ecuador. World Bank, 1996.
警告: この引用は必ずしも正確ではありません.