Megacities: From hazards to disasters. s.e.
Cita Chicago Style (17a ed.)Megacities: From Hazards to Disasters. s.l: s.e.
Cita MLA (9a ed.)Megacities: From Hazards to Disasters. s.e.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.