Lal, C., & Kumar, K. (2005). Understanding basics of library and information science: Library classification theory and library classification practical. Ess Ess Publications.
استشهاد بنمط شيكاغوLal, C., و K. Kumar. Understanding Basics of Library and Information Science: Library Classification Theory and Library Classification Practical. New Delhi: Ess Ess Publications, 2005.
MLA استشهادLal, C., و K. Kumar. Understanding Basics of Library and Information Science: Library Classification Theory and Library Classification Practical. Ess Ess Publications, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.