Valk, A. v. d. (1999). Elasticities? claro que si! an analysis of the domestic Costa Rican food demand.
シカゴスタイル引用形Valk, A.L. van der. Elasticities? Claro Que Si! an Analysis of the Domestic Costa Rican Food Demand. 1999.
MLA引用形式Valk, A.L. van der. Elasticities? Claro Que Si! an Analysis of the Domestic Costa Rican Food Demand. 1999.
警告: この引用は必ずしも正確ではありません.