APA (7th ed.) Zitazioa
Schultz, T. W. Investment in human capital: The role of education and of research.
Chicago Style (17th ed.) Zitazioa
Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research.
MLA (9th ed.) Zitazioa
Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research.
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