Heyworth, D. R. M. (2007). CHEMISTRY INSIGHTS 'O' LEVEL 2nd EDITION THEORY WORKBOOK. Pearson Longman.
Chicago Style CitationHeyworth, Dr Rex M. CHEMISTRY INSIGHTS 'O' LEVEL 2nd EDITION THEORY WORKBOOK. Pearson Longman, 2007.
MLA citiranjeHeyworth, Dr Rex M. CHEMISTRY INSIGHTS 'O' LEVEL 2nd EDITION THEORY WORKBOOK. Pearson Longman, 2007.
Opozorilo: Ti citati niso vedno 100% točni.