APA
Chwelos P. D., Cockburn Iain M, Berndt Ernst R & National Bureau Of Economic Research. (2004). Faster, smaller, cheaper: an hedonic price analysis of PDAs. Cambridge, MA: NBER.
Chicago
Chwelos Paul D, Cockburn Iain M, Berndt Ernst R and National Bureau Of Economic Research. 2004. Faster, smaller, cheaper: an hedonic price analysis of PDAs. Cambridge, MA: NBER.
Harvard
Chwelos P. D., Cockburn Iain M, Berndt Ernst R and National Bureau Of Economic Research. (2004). Faster, smaller, cheaper: an hedonic price analysis of PDAs. Cambridge, MA: NBER.
MLA
Chwelos Paul D, Cockburn Iain M, Berndt Ernst R and National Bureau Of Economic Research. Faster, smaller, cheaper: an hedonic price analysis of PDAs. Cambridge, MA: NBER. 2004.