APO. (1997). Productivity statistics: Productivity indexes and levels in APO member countries.
Chicago Edition CitationAPO. Productivity Statistics: Productivity Indexes and Levels in APO Member Countries. Asian Productivity Organization: Japan, 1997.
MLA引文APO. Productivity Statistics: Productivity Indexes and Levels in APO Member Countries. 1997.
警告:這些引文格式不一定是100%准確.