Citação norma APA
Becker, S., & Siebern-Thomas, F. (2001). Returns to education in Germany: <a> variable treatment intensity approach. European University Institute.
Citação norma Chicago
Becker, Sachsa, and Frank Siebern-Thomas. Returns to Education in Germany: <a> Variable Treatment Intensity Approach. San Domenico (FI): European University Institute, 2001.
Citação norma MLA
Becker, Sachsa, and Frank Siebern-Thomas. Returns to Education in Germany: <a> Variable Treatment Intensity Approach. European University Institute, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.