Parmer, P. P., & Bhuta, B. (1989). Encyclopaedic dictionary of library and information science. 4v. New Delhi.
Dyfyniad Arddull ChicagoParmer, P. P., and B. Bhuta. Encyclopaedic Dictionary of Library and Information Science. 4v. Anmol publications: New Delhi, 1989.
Dyfyniad MLAParmer, P. P., and B. Bhuta. Encyclopaedic Dictionary of Library and Information Science. 4v. New Delhi, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.