APA Цитирование

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

Chicago-стиль цитирования

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

MLA-цитирование

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.