Kumar, A., & Nehar, S. (2007). Environmental protection. Daya Publishing House.
Citación estilo ChicagoKumar, Arvind, and Shamshun Nehar. Environmental Protection. Delhi: Daya Publishing House, 2007.
Cita MLAKumar, Arvind, and Shamshun Nehar. Environmental Protection. Daya Publishing House, 2007.
Warning: These citations may not always be 100% accurate.