Anil Tyagi. (2009). Trueman's UGC NET/SLET Environmental Science. Danika publishing house.
Chicago Edition CitationAnil Tyagi. Trueman's UGC NET/SLET Environmental Science. New Delhi: Danika publishing house, 2009.
ציטוט MLAAnil Tyagi. Trueman's UGC NET/SLET Environmental Science. Danika publishing house, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.