Dyfyniad APA

Gmelin, L. (1848). Hand-book of chemistry. Printed for the Cavendish Society.

Dyfyniad Arddull Chicago

Gmelin, Leopold. Hand-book of Chemistry. London: Printed for the Cavendish Society, 1848.

Dyfyniad MLA

Gmelin, Leopold. Hand-book of Chemistry. Printed for the Cavendish Society, 1848.

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