Umeshchandra Sharma. (1995). Informeter: Measuring library cost effectiveness. Ess Ess.
Dyfyniad Arddull ChicagoUmeshchandra Sharma. Informeter: Measuring Library Cost Effectiveness. New Delhi: Ess Ess, 1995.
Dyfyniad MLAUmeshchandra Sharma. Informeter: Measuring Library Cost Effectiveness. Ess Ess, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.