APA

Psacharopoulos G., .Earning and education in Greece, 1960-1977. : .

Chicago

Psacharopoulos George, .Earning and education in Greece, 1960-1977. : .

Harvard

Psacharopoulos G., .Earning and education in Greece, 1960-1977. : .

MLA

Psacharopoulos George, .: . .