APA (7e ed.) Bronvermelding

International Economic Association, Conference on Urbanization and Environment (1972 : Lyngby, Denmark), Heggie, I. G., & Rothenberg, J. (1974). Transport and the urban environment: Proceedings. Wiley.

Chicago (17e ed.) Bronvermelding

International Economic Association, Denmark) Conference on Urbanization and Environment (1972 : Lyngby, Ian Graeme Heggie, en Jerome Rothenberg. Transport and the Urban Environment: Proceedings. New York: Wiley, 1974.

MLA (9e ed.) Bronvermelding

International Economic Association, et al. Transport and the Urban Environment: Proceedings. Wiley, 1974.