India.Ministry of Civil Aviation. (1987). Indian airlines-passenger services: Thirty fourth report. Loksabha.
Dyfyniad Arddull ChicagoIndia.Ministry of Civil Aviation. Indian Airlines-passenger Services: Thirty Fourth Report. New Delhi: Loksabha, 1987.
Dyfyniad MLAIndia.Ministry of Civil Aviation. Indian Airlines-passenger Services: Thirty Fourth Report. Loksabha, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.