Ravindra Nath Srivastava. (1996). Hindi bhasha ka samajshastra. Radhakrishna Prakashan.
Dyfyniad Arddull ChicagoRavindra Nath Srivastava. Hindi Bhasha Ka Samajshastra. New Delhi: Radhakrishna Prakashan, 1996.
Dyfyniad MLARavindra Nath Srivastava. Hindi Bhasha Ka Samajshastra. Radhakrishna Prakashan, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.