APA
Liu N., Zhang Lu & National Bureau Of Economic Research. (2005). The value spread as a predictor of returns. Cambridge, MA: NBER.
Chicago
Liu Naiping, Zhang Lu and National Bureau Of Economic Research. 2005. The value spread as a predictor of returns. Cambridge, MA: NBER.
Harvard
Liu N., Zhang Lu and National Bureau Of Economic Research. (2005). The value spread as a predictor of returns. Cambridge, MA: NBER.
MLA
Liu Naiping, Zhang Lu and National Bureau Of Economic Research. The value spread as a predictor of returns. Cambridge, MA: NBER. 2005.
TextSeries: NBER working papersPublication details: Cambridge, MA NBER 2005Description: 41pISBN: 
Working Papers (Print)
