Services and urbanization at the turn of the century the diffusion of innovations.

MLA

Hietala, Marjatta. Services and Urbanization At the Turn of the Century the Diffusion of Innovations. Helsinki, 1987.

APA

Hietala, M. (1987). Services and urbanization at the turn of the century the diffusion of innovations. Helsinki.

Chicago

Hietala, Marjatta Services and Urbanization At the Turn of the Century the Diffusion of Innovations. Helsinki, 1987.