Kumar, A., & Nehar, S. (2007). Environmental protection. Daya Publishing House.
Chicago Edition CitationKumar, Arvind, and Shamshun Nehar. Environmental Protection. Delhi: Daya Publishing House, 2007.
ציטוט MLAKumar, Arvind, and Shamshun Nehar. Environmental Protection. Daya Publishing House, 2007.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.