APA (7th ed.) Zitazioa
U.S. Industry Quarterly Review: Chemicals. Global Insight, Inc.
Chicago Style (17th ed.) Zitazioa
U.S. Industry Quarterly Review: Chemicals. Global Insight, Inc.
MLA (9th ed.) Zitazioa
U.S. Industry Quarterly Review: Chemicals. Global Insight, Inc.
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