Citazione Stile APA (7a Edizione)
Becker, S., & Siebern-Thomas, F. (2001). Returns to education in Germany: <a> variable treatment intensity approach. European University Institute.
Citazione stile Chigago Style (17a edizione)
Becker, Sachsa, e Frank Siebern-Thomas. Returns to Education in Germany: <a> Variable Treatment Intensity Approach. San Domenico (FI): European University Institute, 2001.
Citatione MLA (9a ed.)
Becker, Sachsa, e Frank Siebern-Thomas. Returns to Education in Germany: <a> Variable Treatment Intensity Approach. European University Institute, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.