APA
Shapiro I., Wilcox David W, Shapiro Mathew D & National Bureau Of Economic Research. (1999). Quality improvement in health care: a framework for price and output measurement. Cambridge, MA: NBER.
Chicago
Shapiro Irving, Wilcox David W, Shapiro Mathew D and National Bureau Of Economic Research. 1999. Quality improvement in health care: a framework for price and output measurement. Cambridge, MA: NBER.
Harvard
Shapiro I., Wilcox David W, Shapiro Mathew D and National Bureau Of Economic Research. (1999). Quality improvement in health care: a framework for price and output measurement. Cambridge, MA: NBER.
MLA
Shapiro Irving, Wilcox David W, Shapiro Mathew D and National Bureau Of Economic Research. Quality improvement in health care: a framework for price and output measurement. Cambridge, MA: NBER. 1999.