Zhang, W. (1989). Theory of economic development: Nonlinearity, instability and non-equilibrium. University of Umeå.
Chicago Style aipamenaZhang, Wei-Bin. Theory of Economic Development: Nonlinearity, Instability and Non-equilibrium. Umeå: University of Umeå, 1989.
MLA aipamenaZhang, Wei-Bin. Theory of Economic Development: Nonlinearity, Instability and Non-equilibrium. University of Umeå, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.