DRAGO, R. S. Principles of chemistry with practical perspective. Allyn and Bacon Inc.
Čikaški stil citiranja (17. izdanje)DRAGO, Russell S. Principles of Chemistry with Practical Perspective. Allyn and Bacon Inc.
MLA način citiranja (8. izdanje)DRAGO, Russell S. Principles of Chemistry with Practical Perspective. Allyn and Bacon Inc.
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