Dyfyniad APA

Brown, F. C. (1970). Looking at chemical reactions. English Universities.

Dyfyniad Arddull Chicago

Brown, F C. Looking at Chemical Reactions. London: English Universities, 1970.

Dyfyniad MLA

Brown, F C. Looking at Chemical Reactions. English Universities, 1970.

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