Dyfyniad APA

(1999). Gardner's chemical synonyms and trade names eleventh edition. Ashgate.

Dyfyniad Arddull Chicago

Gardner's Chemical Synonyms and Trade Names Eleventh Edition. Ashgate, 1999.

Dyfyniad MLA

Gardner's Chemical Synonyms and Trade Names Eleventh Edition. Ashgate, 1999.

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