Cita APA (7a ed.)
Journal of environmental planning and management [J Environ Plan Manag] NLMUID: 9918592266006676.
Cita Chicago Style (17a ed.)
Journal of Environmental Planning and Management [J Environ Plan Manag] NLMUID: 9918592266006676.
Cita MLA (9a ed.)
Journal of Environmental Planning and Management [J Environ Plan Manag] NLMUID: 9918592266006676.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.