Sunil kumar. (1999). Staff development for library and information services (1st.). Ess Ess.
استشهاد بنمط شيكاغوSunil kumar. Staff Development for Library and Information Services. 1st. New Delhi: Ess Ess, 1999.
MLA استشهادSunil kumar. Staff Development for Library and Information Services. 1st. Ess Ess, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.