RANA. R. P. (2012). WORKBOOK CHEMISTRY FOR MIDDLE CLASSES FOR CLASS- VII. S.CHAND & COMPANY.
Cita Chicago (17th ed.)RANA. R. P. WORKBOOK CHEMISTRY FOR MIDDLE CLASSES FOR CLASS- VII. S.CHAND & COMPANY, 2012.
Cita MLA (9th ed.)RANA. R. P. WORKBOOK CHEMISTRY FOR MIDDLE CLASSES FOR CLASS- VII. S.CHAND & COMPANY, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.