[1]Advisory Panel for the Dictionary of Occupational Titles （US）， & United States Employment Service.（1993）. The New Dot： A Database of Occupational Titles for the Twenty-First Century.US Department of Labor，Employment and Training Administration，US Employment Service.
[2]APDOT content model.Note.From The New DOT：A Database of Occupational Titles for the Twenty-First Century （p.32）， by the U.S.Department of Labor （1993b），Washington，DC： Author.
[3]Berryman，S.E.，& Bailey，T.R.（1992）. The Double Helix of Education & the Economy：Executive Summary.Institute on Education and the Economy，Teachers College，Columbia University. Dye，D.，& Silver，M.（1999）.The origins of O* NET.
[4]Handel，M.J.（2016）.The O* NET content model： strengths and limitations. Journal for Labour Market Research， 49（2）， 157-176.
[5]National Research Council.（2010）. A database for a changing economy：Review of the Occupational Information Network （O* NET）.National Academies Press.
