Citazione APA

Singh, R., & Sunita Sengar. (2007). Library collection development and acquisition system. Shree Publishers.

Stile di citazione Chicago

Singh, R.K, e Sunita Sengar. Library Collection Development and Acquisition System. New Delhi: Shree Publishers, 2007.

Citazione MLA

Singh, R.K, e Sunita Sengar. Library Collection Development and Acquisition System. Shree Publishers, 2007.