Perbadanan Produktiviti Negara. (2004). Productivity report. National Productivity Corporation.
Chicagoスタイル(17版)引用形式Perbadanan Produktiviti Negara. Productivity Report. Petaling Jaya: National Productivity Corporation, 2004.
MLA(8版)引用形式Perbadanan Produktiviti Negara. Productivity Report. National Productivity Corporation, 2004.
警告: この引用は必ずしも正確ではありません.