Għal aktar informazzjoni dwar il-produttività multifattur, ara Productivity Business Sector and Major Subsectors, BLS Handbook of Methods, Bureau of Labor Statistics (April 1997), pp. 89-98; u Edwin R. Dean u Michael J. Harper, The BLS Productivity Measurement Program, Bureau of Labor Statistics (Lulju 5, 2000), karta ppreżentata lill-NBER Conference on Research in Income and Wealth on New Directions in Productivity Analysis, Marzu 20- 21, 1998.
Ġie ppreżentat dokument dwar il-produttività multifattur minn Edwin Dean u Michael Harper.