Poznanski, K. (1985). The environment for technological change in centrally planned economics. World Bank.
Chicago-viite (17. p.)Poznanski, Kazimierz. The Environment for Technological Change in Centrally Planned Economics. Washington, D.C: World Bank, 1985.
MLA-viite (9. p.)Poznanski, Kazimierz. The Environment for Technological Change in Centrally Planned Economics. World Bank, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.