Helicon (Firm) & ebrary, Inc. (2006). Hutchinson trends in science. Helicon.
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Dyfyniad Arddull Chicago
Helicon (Firm) and Inc ebrary. Hutchinson Trends in Science. Abingdon, Oxon: Helicon, 2006.
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Dyfyniad MLA
Helicon (Firm) and Inc ebrary. Hutchinson Trends in Science. Helicon, 2006.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.