Greenhalgh, C., Gregory, M., & Barrell, R. (2000). Labour Productivity and Product Quality: Their Growth and Inter-industry Transmission in the UK 1979-1990. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Greenhalgh, C., M. Gregory, i R. Barrell. Labour Productivity and Product Quality: Their Growth and Inter-industry Transmission in the UK 1979-1990. Cambridge University Press, 2000.
MLA način citiranja (9. izdanje)Greenhalgh, C., et al. Labour Productivity and Product Quality: Their Growth and Inter-industry Transmission in the UK 1979-1990. Cambridge University Press, 2000.
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