CORREA, H. (1953). The Economics of human resources. North-Holland.
Chicago Style (17th ed.) ZitazioaCORREA, H. The Economics of Human Resources. Amsterdam: North-Holland, 1953.
MLA (9th ed.) ZitazioaCORREA, H. The Economics of Human Resources. North-Holland, 1953.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.