Prokopenko, J. (1987). Productivity management: A practical handbook. International Labour Office.
Chicagoスタイル(17版)引用形式Prokopenko, Joseph. Productivity Management: A Practical Handbook. Geneva: International Labour Office, 1987.
MLA(8版)引用形式Prokopenko, Joseph. Productivity Management: A Practical Handbook. International Labour Office, 1987.
警告: この引用は必ずしも正確ではありません.