Dyfyniad APA

Lewis, R. J. (1998). Hawley's condensed chemical dictionary (13th ed.). Galgotia publication.

Dyfyniad Arddull Chicago

Lewis, Richard J. Hawley's Condensed Chemical Dictionary. 13th ed. New Delhi: Galgotia publication, 1998.

Dyfyniad MLA

Lewis, Richard J. Hawley's Condensed Chemical Dictionary. 13th ed. Galgotia publication, 1998.

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