Tohutoro APA (7th ed.)
Gregory, T. C. Uses and applications of chemicals and related materials: A guide to the current industrial uses, potential applications and sales possibilities of 5167 products. Reinhold.
Tohutoru Kātū Chicago (17th ed.)
Gregory, Thomas C. Uses and Applications of Chemicals and Related Materials: A Guide to the Current Industrial Uses, Potential Applications and Sales Possibilities of 5167 Products. Nueva York, EUA: Reinhold.
Tohutoro MLA (9th ed.)
Gregory, Thomas C. Uses and Applications of Chemicals and Related Materials: A Guide to the Current Industrial Uses, Potential Applications and Sales Possibilities of 5167 Products. Reinhold.
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