APA aipamena

Anil Tyagi. (2018). CBSE UGC NET/SET: Environmental science. Danika.

Chicago Style aipamena

Anil Tyagi. CBSE UGC NET/SET: Environmental Science. New Delhi: Danika, 2018.

MLA aipamena

Anil Tyagi. CBSE UGC NET/SET: Environmental Science. Danika, 2018.