National Bureau of Economic Research, ebrary, Inc, Bresnahan, T. F., & Gordon, R. J. (1997). The economics of new goods. University of Chicago Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Bureau of Economic Research, Inc ebrary, Timothy F. Bresnahan, ба Robert J. Gordon. The Economics of New Goods. Chicago: University of Chicago Press, 1997.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Bureau of Economic Research, et al. The Economics of New Goods. University of Chicago Press, 1997.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.