Cita APA

Singh, G. (2015). Academic library system and services. Ess Ess Pub..

Citación estilo Chicago

Singh, Gurdev. Academic Library System and Services. New Delhi, India: Ess Ess Pub., 2015.

Cita MLA

Singh, Gurdev. Academic Library System and Services. Ess Ess Pub., 2015.