Παραπομπή APA

Barra, T. d. l. (1989). Integrated land use and transport modelling: Decision chains and hierarchies. Cambridge: Cambridge University Press.

Παραπομπή Chicago Style

Barra, Tomas de la. Integrated Land Use and Transport Modelling: Decision Chains and Hierarchies. Cambridge: Cambridge University Press, 1989.

Παραπομπή MLA

Barra, Tomas de la. Integrated Land Use and Transport Modelling: Decision Chains and Hierarchies. Cambridge: Cambridge University Press, 1989.

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