1. Gupta, B. K., (2014). ‘Barrier Design for Zoos’. Published by CZA. Pp 16-21.
2. Patnaik, S.K., Bonal, B.S.,and et al (2014). ‘Designing of Enclosures for Indian Zoos’, published by CZA. Pp. 19-32.
3. Mehta, R., Singh, D.N., (2018). ‘Design Guidelines for Zoos’. Published by CZA. Pp 144-148.
4. Coe, J. C., (2012). ‘Design and Architecture: Third Generation Conservation, Post Immersion and Beyond’, International conference on Future of Zoo, published by Canisius College, Buffalo, New York.
5. Coe, J. C., and Mendez, R., (2005). ‘The Unzoo Alternative’ in 2005 AAZPA Conference proceedings, www.ZAA.org; http://www.joncoedesign.com/pub/technical.htm.
6. Fiby, M., (2013). ‘Design for Education’, International conference on Zoo Designing and Landscape Architecture, (edt. Surinder Suneja, B.S. Bonal and Brij Kishor Gupta), published by CZA. Pg. 73.
7. CZA, (2014). ‘Zoos in India – Legislation, Policy, Guidelines and Strategy’, (edt. B. S. Bonal, Inder Dhamija) published by CZA. Pp. 64-68.
8. Chief Engineer, MoEF (2013). ‘Tiger Exhibit Design’, International conference on Zoo Designing and Landscape Architecture, (edt. Surinder Suneja, B.S. Bonal and Brij Kishor Gupta), published by CZA. Pp. 149-154.
9. Hosey, G., (2008), ‘A Preliminary Model of Human-Animal Relationships in The Zoo’, published by Applied Animal Behaviour Science 109 , Pp. 105-127.