Hamermesh, D. S. (2000). 12 million salaried workers are missing. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Hamermesh, Daniel S. 12 Million Salaried Workers Are Missing. Cambridge: National Bureau of Economic Research, 2000.
Citatione MLA (9a ed.)Hamermesh, Daniel S. 12 Million Salaried Workers Are Missing. National Bureau of Economic Research, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.