Singh, G. (2015). Academic library system and services. Ess Ess pub.
Chicago ZitierstilSingh, Gurdev. Academic Library System and Services. Newdelhi: Ess Ess pub, 2015.
MLA ZitierstilSingh, Gurdev. Academic Library System and Services. Ess Ess pub, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.