Psacharopoulos, G. (1991). The economic impact of education: Lessons for policy makers. ICB Press.
Citazione stile Chigago Style (17a edizione)Psacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. San Francisco: ICB Press, 1991.
Citatione MLA (8a ed.)Psacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. ICB Press, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.