Khan, T. (1990). Evolution. Shree.
Dyfyniad Arddull ChicagoKhan, T.R. Evolution. New Delhi: Shree, 1990.
Dyfyniad MLAKhan, T.R. Evolution. Shree, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Khan, T. (1990). Evolution. Shree.
Dyfyniad Arddull ChicagoKhan, T.R. Evolution. New Delhi: Shree, 1990.
Dyfyniad MLAKhan, T.R. Evolution. Shree, 1990.