Hardoy, J. (1992). Environmental problems in third world cities. Earthscan.
Citazione stile Chigago Style (17a edizione)Hardoy, Jorge. Environmental Problems in Third World Cities. London: Earthscan, 1992.
Citatione MLA (9a ed.)Hardoy, Jorge. Environmental Problems in Third World Cities. Earthscan, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.