Dyfyniad APA

Hutchinson. (1993). Hutchinson dictionary of chemistry. London: Brockhampton Press.

Dyfyniad Arddull Chicago

Hutchinson. Hutchinson Dictionary of Chemistry. London: Brockhampton Press, 1993.

Dyfyniad MLA

Hutchinson. Hutchinson Dictionary of Chemistry. London: Brockhampton Press, 1993.

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