Dyfyniad APA

Chemical Weekly Com. (2003). Chemical Weekly. New Delhi: Rankem.

Dyfyniad Arddull Chicago

Chemical Weekly Com. Chemical Weekly. New Delhi: Rankem, 2003.

Dyfyniad MLA

Chemical Weekly Com. Chemical Weekly. New Delhi: Rankem, 2003.

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