Ray, P. K., & Ray, P. K. (1994). Archaeological Remains of the Alakā Valley. Delhi: Sundeep Prakashan.
Dyfyniad Arddull ChicagoRay, Prabhat Kumar, and Prabhat Kumar Ray. Archaeological Remains of the Alakā Valley. Delhi: Sundeep Prakashan, 1994.
Dyfyniad MLARay, Prabhat Kumar, and Prabhat Kumar Ray. Archaeological Remains of the Alakā Valley. Delhi: Sundeep Prakashan, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.