Berendsen, B. S. M. (1978). Regional models of trade and development. Martinus Nijhoff.
Chicago-čujuhus (17. p.)Berendsen, B. S. M. Regional Models of Trade and Development. Leiden: Martinus Nijhoff, 1978.
MLA-čujuhus (9. p.)Berendsen, B. S. M. Regional Models of Trade and Development. Martinus Nijhoff, 1978.
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