Cita APA (7a ed.)
Nijkamp, P. (1980). Environmental policy analysis operational methods and models. Wiley.
Cita Chicago Style (17a ed.)
Nijkamp, Peter. Environmental Policy Analysis Operational Methods and Models. Chichester: Wiley, 1980.
Cita MLA (9a ed.)
Nijkamp, Peter. Environmental Policy Analysis Operational Methods and Models. Wiley, 1980.
Precaución: Estas citas no son 100% exactas.