APA
Kostova D. e. a., National Bureau Of Economic Research, . (2010). Prices and cigarette demand: Evidence from youth tobacco use. Cambridge: NBER.
Chicago
Kostova Deliana et al, National Bureau Of Economic Research, . 2010. Prices and cigarette demand: Evidence from youth tobacco use. Cambridge: NBER.
Harvard
Kostova D. e. a., National Bureau Of Economic Research, . (2010). Prices and cigarette demand: Evidence from youth tobacco use. Cambridge: NBER.
MLA
Kostova Deliana et al, National Bureau Of Economic Research, . Prices and cigarette demand: Evidence from youth tobacco use. Cambridge: NBER. 2010.