APA
Mortensen D. T., Nagypal Eva & National Bureau Of Economic Research. (2005). More on unemployment and vacancy fluctuations. Cambridge, MA: NBER.
Chicago
Mortensen Dale T, Nagypal Eva and National Bureau Of Economic Research. 2005. More on unemployment and vacancy fluctuations. Cambridge, MA: NBER.
Harvard
Mortensen D. T., Nagypal Eva and National Bureau Of Economic Research. (2005). More on unemployment and vacancy fluctuations. Cambridge, MA: NBER.
MLA
Mortensen Dale T, Nagypal Eva and National Bureau Of Economic Research. More on unemployment and vacancy fluctuations. Cambridge, MA: NBER. 2005.