Gupta, S. (2000). Global environment: Current status. Sarup & Sons.
Citación estilo ChicagoGupta, Sunit. Global Environment: Current Status. New Delhi: Sarup & Sons, 2000.
Cita MLAGupta, Sunit. Global Environment: Current Status. Sarup & Sons, 2000.
Warning: These citations may not always be 100% accurate.