Wagner, K., & Ark, B. v. (1996). International productivity differences: Measurement and explanations. Elsevier.
Chicagoスタイル(17版)引用形式Wagner, Karin, , Bart van Ark. International Productivity Differences: Measurement and Explanations. Amsterdam: Elsevier, 1996.
MLA(9版)引用形式Wagner, Karin, , Bart van Ark. International Productivity Differences: Measurement and Explanations. Elsevier, 1996.
警告: この引用は必ずしも正確ではありません.