APA-viite

Kumar, A., & Nehar, S. (2007). Environmental protection. Daya Publishing House.

Chicago-tyylinen lähdeviittaus

Kumar, Arvind, ja Shamshun Nehar. Environmental Protection. Delhi: Daya Publishing House, 2007.

MLA-viite

Kumar, Arvind, ja Shamshun Nehar. Environmental Protection. Daya Publishing House, 2007.