Dyfyniad APA
Anjaneyulu, Y. (2004). Introduction to environmental science. B S Pub.
Dyfyniad Arddull Chicago
Anjaneyulu, Y. Introduction to Environmental Science. Hyderabad: B S Pub, 2004.
Dyfyniad MLA
Anjaneyulu, Y. Introduction to Environmental Science. B S Pub, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.