Dyfyniad APA

Anil Tyagi. (2009). Trueman's UGC NET/SLET Environmental Science. Danika publishing house.

Dyfyniad Arddull Chicago

Anil Tyagi. Trueman's UGC NET/SLET Environmental Science. New Delhi: Danika publishing house, 2009.

Dyfyniad MLA

Anil Tyagi. Trueman's UGC NET/SLET Environmental Science. Danika publishing house, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.