Cita APA (7a ed.)

Piehl, A. M. (1999). Testing for structural breaks in the evaluation of programs. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Piehl, Anne Morrison. Testing for Structural Breaks in the Evaluation of Programs. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Piehl, Anne Morrison. Testing for Structural Breaks in the Evaluation of Programs. National Bureau of Economic Research, 1999.