APA
Hanushek E. A., Rivkin Steven G, Kain John F & National Bureau Of Economic Research. (2001). Why public schools lose teachers. Cambridge, MA: NBER.
Chicago
Hanushek Eric A, Rivkin Steven G, Kain John F and National Bureau Of Economic Research. 2001. Why public schools lose teachers. Cambridge, MA: NBER.
Harvard
Hanushek E. A., Rivkin Steven G, Kain John F and National Bureau Of Economic Research. (2001). Why public schools lose teachers. Cambridge, MA: NBER.
MLA
Hanushek Eric A, Rivkin Steven G, Kain John F and National Bureau Of Economic Research. Why public schools lose teachers. Cambridge, MA: NBER. 2001.