Psacharopoulos, G. (1987). Economics of Education. ELSEVIER.
Cita Chicago (17th ed.)Psacharopoulos, George. Economics of Education. ELSEVIER, 1987.
Cita MLA (8th ed.)Psacharopoulos, George. Economics of Education. ELSEVIER, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.