Sharma, U. C. (1995). Infometer: Measuring library cost-effectiveness. Ess Ess Pub..
Παραπομπή Chicago StyleSharma, Umesh Chandra. Infometer: Measuring Library Cost-effectiveness. New Delhi: Ess Ess Pub., 1995.
Παραπομπή MLASharma, Umesh Chandra. Infometer: Measuring Library Cost-effectiveness. Ess Ess Pub., 1995.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.