APA (7e ed.) Bronvermelding

Friedmann, J. R. P. (1955). The spatial structure of economic development in the Tennesse Valley, a study in regional planning. [s.n.

Chicago (17e ed.) Bronvermelding

Friedmann, John R. P. The Spatial Structure of Economic Development in the Tennesse Valley, a Study in Regional Planning. Chicago: [s.n, 1955.

MLA (9e ed.) Bronvermelding

Friedmann, John R. P. The Spatial Structure of Economic Development in the Tennesse Valley, a Study in Regional Planning. [s.n, 1955.